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29-01-2021
Biology

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An electrically neutral atom consists of 5 neutrons, 4 electrons, and 4 protons. What is its mass number?
4
3
9
8

Respuesta :

n46kjed6vb n46kjed6vb

12-02-2021

Answer:

9

Explanation:

Mass number is the amount of protons and neutrons added together

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