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How many neutrons does element X have if it’s atomic number is 28 and it’s mass number is 81?
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How many neutrons does element X have if it’s atomic number is 28 and it’s mass number is 81?

User John Adjei
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2 Answers

5 votes

The answer is 53,hope this help

User Juan David Arce
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5.3k points
4 votes

Answer:

53

Step-by-step explanation:

M-A=N

Mass-Atomic #= Neutrons

81-28= 53

User Mhdwrk
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5.1k points
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