Question

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what is atomic number ​

Answer 1

Answer:

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The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.

Answer 2

Answer:

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.