Ideje 186 Structure Of Atom Of Sodium Čerstvý

Ideje 186 Structure Of Atom Of Sodium Čerstvý. Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

Prezentováno Draw The Diagram Illustrating Atomic Structures Of The Following I Sodium Atom Ii Oxygen Ion Brainly In

The nucleus consists of 11 protons (red) and 12 neutrons (blue). In this video we'll look at the atomic structure, valence electrons,. 11), the most common isotope of the element sodium. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,.. The nucleus consists of 11 protons (red) and 12 neutrons (blue).

The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). In this video we'll look at the atomic structure, valence electrons,. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient... 11), the most common isotope of the element sodium.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. Sodium atom is an alkali metal atom.. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

In this video we'll look at the atomic structure, valence electrons,.. . It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient... Sodium atom is an alkali metal atom.

11), the most common isotope of the element sodium.. 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

11), the most common isotope of the element sodium... In this video we'll look at the atomic structure, valence electrons,. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue).

Sodium atom is an alkali metal atom.. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom.. 11), the most common isotope of the element sodium.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. Sodium atom is an alkali metal atom. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. In this video we'll look at the atomic structure, valence electrons,. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium.. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.. The nucleus consists of 11 protons (red) and 12 neutrons (blue). In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom... The nucleus consists of 11 protons (red) and 12 neutrons (blue).

In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11), the most common isotope of the element sodium. In this video we'll look at the atomic structure, valence electrons,.. In this video we'll look at the atomic structure, valence electrons,.

The nucleus consists of 11 protons (red) and 12 neutrons (blue).. In this video we'll look at the atomic structure, valence electrons,. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue).. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.. 11), the most common isotope of the element sodium.

The nucleus consists of 11 protons (red) and 12 neutrons (blue)... 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. In this video we'll look at the atomic structure, valence electrons,... 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. Sodium atom is an alkali metal atom.. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

The nucleus consists of 11 protons (red) and 12 neutrons (blue).. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,.

11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue). In this video we'll look at the atomic structure, valence electrons,.. Sodium atom is an alkali metal atom.

In this video we'll look at the atomic structure, valence electrons,.. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,.. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

In this video we'll look at the atomic structure, valence electrons,. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

11), the most common isotope of the element sodium. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue).

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. 11), the most common isotope of the element sodium.

Sodium atom is an alkali metal atom. 11), the most common isotope of the element sodium.

In this video we'll look at the atomic structure, valence electrons,. 11), the most common isotope of the element sodium... Sodium atom is an alkali metal atom.

The nucleus consists of 11 protons (red) and 12 neutrons (blue). . Sodium atom is an alkali metal atom.

15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11), the most common isotope of the element sodium. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). The nucleus consists of 11 protons (red) and 12 neutrons (blue).

The nucleus consists of 11 protons (red) and 12 neutrons (blue)... 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom.. 11), the most common isotope of the element sodium.

Sodium atom is an alkali metal atom... In this video we'll look at the atomic structure, valence electrons,. 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). In this video we'll look at the atomic structure, valence electrons,.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

Sodium atom is an alkali metal atom. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue).. In this video we'll look at the atomic structure, valence electrons,.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium.. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. In this video we'll look at the atomic structure, valence electrons,. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. 11), the most common isotope of the element sodium.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

In this video we'll look at the atomic structure, valence electrons,.. 11), the most common isotope of the element sodium. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom.. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.. 11), the most common isotope of the element sodium.

In this video we'll look at the atomic structure, valence electrons,. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11), the most common isotope of the element sodium. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium atom is an alkali metal atom.. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

11), the most common isotope of the element sodium. 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom.

15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium.. The nucleus consists of 11 protons (red) and 12 neutrons (blue).

11), the most common isotope of the element sodium. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. Sodium atom is an alkali metal atom.

Sodium atom is an alkali metal atom. . Sodium atom is an alkali metal atom.

15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue).. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

The nucleus consists of 11 protons (red) and 12 neutrons (blue). 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.. In this video we'll look at the atomic structure, valence electrons,.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 11), the most common isotope of the element sodium. Sodium atom is an alkali metal atom. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. In this video we'll look at the atomic structure, valence electrons,. The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. Sodium atom is an alkali metal atom.

The nucleus consists of 11 protons (red) and 12 neutrons (blue)... 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. In this video we'll look at the atomic structure, valence electrons,.

In this video we'll look at the atomic structure, valence electrons,. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium atom is an alkali metal atom. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. In this video we'll look at the atomic structure, valence electrons,. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11), the most common isotope of the element sodium. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.

11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell... The nucleus consists of 11 protons (red) and 12 neutrons (blue). It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. Sodium atom is an alkali metal atom. 11), the most common isotope of the element sodium. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. The nucleus consists of 11 protons (red) and 12 neutrons (blue). Sodium atom is an alkali metal atom. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. In this video we'll look at the atomic structure, valence electrons,. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium. The nucleus consists of 11 protons (red) and 12 neutrons (blue).

11), the most common isotope of the element sodium.. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. 11), the most common isotope of the element sodium. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. Sodium atom is an alkali metal atom.

It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. 11), the most common isotope of the element sodium. In this video we'll look at the atomic structure, valence electrons,. Sodium atom is an alkali metal atom. The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient.. 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell.

Sodium atom is an alkali metal atom. It has a role as a saccharomyces cerevisiae metabolite and a macronutrient. 15/10/2020 · the sodium atom (na) is commonly used for examples and practice problems in chemistry. The nucleus consists of 11 protons (red) and 12 neutrons (blue).