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13-09-2018
Physics

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How many neutrons does element X have it it’s atomic number is 32 and it’s mass number is 81?

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Ryansethallen Ryansethallen

21-09-2018

276 neutrons. Hope it helps!

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25-09-2018

no. of neutrons = mass no. - atomic no.

=81-32

=49

Therefore, you can subtract the atomic number from the mass number to find the number of neutrons.

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