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A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?
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3 votes
A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

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User Garanda
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1 Answer

4 votes

name= calcium

atomic mass= 40.078 atomic mass unit

no of protons= 20

no of electrons=20

answered
User Henrique Barros
by
8.1k points
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