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The mass number of a nucleus is (a)Sometimes less than and sometimes more than its atomic number (b)Always less than its atomic number (c)Always more than its atomic number (d)Sometimes equal to its atomic number



The mass number of a nucleus is  


(a)Sometimes less than and sometimes more than its atomic number


(b)Always less than its atomic number


(c)Always more than its atomic number


(d)Sometimes equal to its atomic number


Grade:10

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
8 years ago

(d)

In case of hydrogen atom, Mass number = atomic number

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