Structure of Atoms MCQs with Answers PDF Download – Test 1

MCQ 1: If n = 3 we are in:

1. K shell
2. L shell
3. M shell
4. F shell

MCQ 2: Water that contains H-2 atoms is called:

1. heavy water
2. light water
3. pure water
4. chlorinated water

MCQ 3: Electron revolves around the nucleus in orbits which have:

1. variable energy
2. fixed energy
3. infinite energy
4. zero energy

MCQ 4: In Rutherford's experiment, α particles were deflected because of:

1. electrostatic repulsion between α particles and positively charged part of atom
2. electrostatic attraction between α particles and positively charged part of atom
3. electrostatic repulsion between β particles and positively charged part of atom
4. electrostatic attraction between γ particles and positively charged part of atom

MCQ 5: The energy of an electron in orbit is proportional to:

1. distance between shells
2. distance from nucleus
3. distance between two nuclei
4. positive charge inside nucleus