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The atomic number of an element is based on the _____. number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus
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The atomic number of an element is based on the _____.

number of electrons around its core

mass of its nucleus

number of protons in its nucleus

number of neutrons in its nucleus

User Janith
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number of protons in its nucleus
User Aakash
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number of protons in its nucleus
User Benjaminbenben
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