Question

what is atomic number define short line​

Answer 1

Answer:

are arranged in order of increasing number of protons in the nucleus.

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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