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Zirconium has an atomic number of 40 and an atomic mass of 91. How many neutrons does it have?

User Adamr
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2 Answers

4 votes

Answer:

It's 51

Explanation: 91 - 40 = 51

User J Kluseczka
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subtract the atomic number from the atomic mass to get the neutrons 
User Iomartin
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