Atoms and Molecules Multiple Choice Questions with Answers – PDF Download

MCQ 1: Protons in an atom ranges from:

1. 1-122
2. 1-118
3. 118-11880
4. 18-218

MCQ 2: Some of energy levels are not occupied by electrons as there are:

1. more energy levels
2. more electrons
3. more protons
4. more neutrons

MCQ 3: Revolving electrons present in various shells and surround the nucleus, exert a force on nucleus which is:

1. force of repulsion
2. gravitational force
3. acceleration force
4. force of attraction

MCQ 4: Revolving electrons present in various shells and surround the nucleus, exert a force on each other which is:

1. gravitational force
2. acceleration force
3. force of repulsion
4. force of attraction

MCQ 5: Element which is made up of one or more atoms combined together with the help of short-range forces of their electrical charges is called:

1. atom
2. molecule
3. proton
4. compound