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

asked Feb 5, 2018 163k views

2 votes

by Adamr

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4 votes

Answer:

It's 51

Explanation: 91 - 40 = 51

J Kluseczka answered Feb 6, 2018

7.9k points

1 vote

subtract the atomic number from the atomic mass to get the neutrons

Iomartin answered Feb 11, 2018

8.4k points

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