Question

what is an atom or atomic number​

Answer 1

Answer:

The atomic number or proton number (symbol Z) 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.

Explanation:

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Answer 2

Answer:

The atomic number or proton number ( symbol Z ) of a chemical element is the number of protons found in the nucleus of every atom of that element . The atomic number uniquely identifies to the charge number of the nucleus .

Explanation:

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