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Subjects>Science>Earth Science

How many neutrons does potassium-39 have?

Updated: 8/9/2023

Wiki User

∙ 13y ago

Best Answer

Answer: 20

Details: mass number - atomic number = number of neutrons.

Wiki User

∙ 9y ago

This answer is:

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Wiki User

∙ 9y ago

It is 20

39 -19=20

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Wiki User

∙ 13y ago

It has 20 neutrons.

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Wiki User

∙ 11y ago

20

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