1. A subatomic particle with a negative charge.
A. Proton
B. Electron
C. Neutron
D. Nucleon

2. A subatomic particle with a positive charge.
A. Electron
B. Proton
C. Neutron
D. Nucleon

3. A subatomic particle with no charge.
A Nucleon
B. Proton
C. Neutron
D. Electron
4. The number of protons of an element is called
A Atomic mass
B. Atomic No.
C. Charge
D. Period

5. The combined number of protons and neutrons in a nucleus of an atom is the
A. Atomic Na.
B. Atomic mass/mass No.
C. Nucleus No
D. Element Mass

6. The nucleus of the atom contains the protons and neutrons, collectively they are called the

7. The difference of mass number and number of protons is

A. No. of electron
B. No. of Nucleon
C. No. Of Neutrons
D. Atomic No.

8. Which of the following is the lightest subatomic particle?

A. Electron
B. Proton
C. Neutron
D. Ion

9. Which of the following is the heaviest subatomic particle?

A. Electron
B. Proton
C. Neutron
D. Ion

10. If the mass no. of a certain element is 197 and the no. of neutrons is 118, how many protons are there?

A 315
B. 79
C. 197
D. 118​