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  • The mass number of a nucleus is Option: 1 sometimes less than and sometimes more than its atomic number<st

The mass number of a nucleus is 

Option: 1

sometimes less than and sometimes more than its atomic number


Option: 2

always less than its atomic number


Option: 3

always more than its atomic number


Option: 4

sometimes equal to its atomic number


Answers (1)

best_answer

Mass number is always greater than or equal to atomic number.

For hydrogen, atomic number = mass

number =1

 

Posted by

Irshad Anwar

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