Question

define attomic number​

Answer 1

Answer:

Atomic number is the total number of protons or the total number of electrons in the nucleus of an atom.

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Answer 2

Explanation:

atomic number, the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus. Accordingly, the number of protons, which is always equal to the number of electrons in the neutral atom, is also the atomic number.

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