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The number of protons in an atom of atom...

The number of protons in an atom of atomic number Z and mass number A is

A

zero

B

Z

C

A-Z

D

A

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The correct Answer is:
B
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  6. In a nuclear reaction, which of the following is conserved?

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  9. The mass of an atomic nucleus is less than the sum of the masses of it...

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  15. The mass of an electron at rest is 9.1 xx10^(-31) kg. the mass of an e...

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  17. The rest mass of a proton is 1.67xx10^(-27) kg Its total energy when i...

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