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15 June, 07:50

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?

A. 10

B. 20

C. 30

D. 0

E. 200

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Answers (1)
  1. 15 June, 10:53
    0
    There are twenty neurons because the number of neurons is equal to the atomic number
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