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A single atom of calcium is found to weigh 42 AMU. How many neutrons does it have?

A single atom of calcium is found to weigh 42 AMU. How many neutrons does it have?
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A single atom of calcium is found to weigh 42 AMU. How many neutrons does it have?

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User Geert Van Horrik
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1 Answer

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22 neutrons

In order to find the # of neutrons you must subtract the AMU by the element’s atomic number.

42 - 20 = 22
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User Saad Attieh
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