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An atom has 21 electrons, 17 protons and 18 neutrons. What is the total charge of the atom?
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An atom has 21 electrons, 17 protons and 18 neutrons. What is the total charge of the atom?

User RoyalBingBong
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1 Answer

6 votes

Step-by-step explanation:

Only protons and electrons contribute to the charge of an atom ...NEUTRons are NEUTRal...

Protons are + charge

Electrons are - charge

21 negative charges added to 17 positive charges results in

- 4 charge

User Jaudo
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