Question

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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. hope it helps you Mark as brainlist

Answer 2

Atomic number is numbers of protons present in an atom or an ion, it can be also defined as numbers of electron in an atom not in an ion.

Atomic numbers is denoted by Z. It is written on the upper left corner of the symbol of an element. It can be also defined as numbers of protons in the nucleolus of an atom, which is chracterstic of a chemical element and determines it's place in the periodic table.

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