jg200567 jg200567

30-09-2021
Chemistry

contestada

What is the mass number of an atom equal to?

the number of protons plus the number of electrons in an atom

the number of protons plus the number of neutrons in a nucleus

the number of electrons circling the nucleus of an atom

the number of protons in a nucleus

Respuesta :

Nisthalimbu Nisthalimbu

01-10-2021

Answer:

number of protons plus the number of electrons in an atom

Answer Link

jakiyah480 jakiyah480

14-03-2022

Answer: the number of electrons circling the nucleus of an atom

Explanation:

Answer Link

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