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An atom of oxygen has atomic of 8 and a mass number of 18. How many of each type of subatomic particle doe it contain?
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An atom of oxygen has atomic of 8 and a mass number of 18. How many of each type of subatomic particle doe it contain?

User Jan Kratochvil
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1 Answer

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An atom of Oxygen. Contains:

Protons = 8
Electrons = 8

Neutrons = Mass number - Number of protons = 18 - 8 = 10

Neutrons = 10.
User Dan Moulding
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