Question

what is atomic number

Answer 1

The atomic number or proton number(symbol Z) of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons.

Answer 2

Hey Friend

✨The atomic number is the number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table.

Example

❇8 O 16

⭐The atomic number is 8.

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