The atomic number of an atom is alwaysequal to the number of its. (1) protons, only. (2) neutrons, only. (3) protons plus neutrons. (4) protons plus electrons

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asked Feb 27, 2017 124k views

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Tzimpo · Answer 1 · 2017-03-04T20:24:13+0000

You are correct, the atomic number is always equal to the number of protons in the element. It is the relative atomic mass that is equal to the number of protons+neutrons. Electrons have no mass

The atomic number of an atom is alwaysequal to the number of its. (1) protons, only. (2) neutrons, only. (3) protons plus neutrons. (4) protons plus electrons

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