What is the atomic number of Nitrogen?

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Multiple Choice

What is the atomic number of Nitrogen?

The atomic number is the count of protons in an atom’s nucleus, and that number uniquely identifies the element. Nitrogen has seven protons, so its atomic number is seven. In a neutral atom, the number of electrons equals the number of protons, so nitrogen also typically has seven electrons. The other numbers point to different elements—helium has two, carbon six, and sodium eleven—so seven is the correct identifier for nitrogen.

The atomic number is the count of protons in an atom’s nucleus, and that number uniquely identifies the element. Nitrogen has seven protons, so its atomic number is seven. In a neutral atom, the number of electrons equals the number of protons, so nitrogen also typically has seven electrons. The other numbers point to different elements—helium has two, carbon six, and sodium eleven—so seven is the correct identifier for nitrogen.

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