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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus? A. 17 B. 18 c. 35

An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus? A. 17 B. 18 c. 35
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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?

A. 17
B. 18
c. 35

asked
User AymericM
by
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1 Answer

6 votes
B, 18 (mass number) - (atomic number) = neutrons in the nucleus
answered
User Mona Baharlou
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