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zimovet [89]
4 years ago
11

How many neutrons does element X have if its atomic number is 25 and its mass number is 72?

Chemistry
1 answer:
Charra [1.4K]4 years ago
5 0

47 neutrons.

Atomic Number=Number of Proton

Atomic mass=Number of Proton + Number Of Neutron

So, Number of neutron=72-25=47



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