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Problem: How many neutrons are present in a nucleus of iron-56?A) 56B) 26C) 28D) 30E) 20

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We’re being asked to determine the number of neutrons in iron-56. Recall that the symbol for an element or ion is as follows:

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Problem Details

How many neutrons are present in a nucleus of iron-56?

A) 56

B) 26

C) 28

D) 30

E) 20

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