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01-07-2020
Chemistry

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(a) Complete the following sentences for an atom of uranium-238. (2)

mass number:
number of protons:
number of neutrons:
number of electrons:

a Complete the following sentences for an atom of uranium238 2 mass number number of protons number of neutrons number of electrons class=

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01-07-2020

Mass number = 238
No of protons = 92
No of electrons = 92
No of neutrons = 238-92 = 146

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