If you want to know the number of neutrons in an atom of a given element, what would you do?
A. Round the atomic weight to the nearest whole number
B. Add the mass number and the atomic number
C. Subtract the atomic number from the mass number
D. Add the mass number and the atomic number, then divide
Answers & Comments
Answer:
letter "A"
Explanation:
Round the atomic mass to the nearest whole number, then subtract the atomic number of the element from it. The difference equals the number of neutrons.
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Answer:
C.
Explanation:
Subtract the atomic number from the mass number to find out the number of neutrons.
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