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Chemistry

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ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
What is the mass number of an element equal to?

number of protons plus number of neutrons
number of electrons plus number of protons
number of protons
number of isotopes

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julieanneliza julieanneliza

Today at 4:14 PM

Answer: the mass number of an element is equal to the number of protons plus the number of neutrons.

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p1ssb4by p1ssb4by

Today at 4:13 PM

number of protons and neutrons

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