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ikadub [295]
3 years ago
9

An atom of gadolinium has an atomic number of 64 and a mass number of 154. how many electrons, protons, and neutrons does it con

tain?
Physics
1 answer:
Svetllana [295]3 years ago
5 0
No. of protons = atomic number = 64
no. of neutrons = mass no. - no. of protons= 154 -64 = 90
no. of electrons = no. of protons = 64
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