Which one of the following statements is/are correct?
a. The number of protons in a nucleus is called its atomic number.
b. The total number of protons and neutrons constitutes its mass number.
1
Only a
2
Only b
3
Both a and b
4
Neither a nor b
Which one of the following statements is/are correct?
a. The number of protons in a nucleus is called its atomic number.
b. The total number of protons and neutrons constitutes its mass number.