Chapter 7: Structure of Atoms Chemistry Mcqs for High School - Grade 9

1.

If n = 3 we are in

A. K shell

B. L shell

C. M shell

D. F shell

Answer & Solution Discuss in Board

2.

Water that contains H-2 atoms is called

A. heavy water

B. light water

C. pure water

D. chlorinated water

Answer & Solution Discuss in Board

3.

Electron revolves around the nucleus in orbits which have

A. variable energy

B. fixed energy

C. infinite energy

D. zero energy

Answer & Solution Discuss in Board

4.

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

A. electrostatic repulsion between α particles and positively charged part of atom

B. electrostatic attraction between α particles and positively charged part of atom

C. electrostatic repulsion between β particles and positively charged part of atom

D. electrostatic attraction between γ particles and positively charged part of atom

Answer & Solution Discuss in Board

5.

The energy of an electron in orbit is proportional to

A. distance between shells

B. distance from nucleus

C. distance between two nuclei

D. positive charge inside nucleus

Answer & Solution Discuss in Board

6.

According to Rutherford, most of the space occupied by the atom is

A. filled

B. partially filled

C. empty

D. none of above

Answer & Solution Discuss in Board

7.

The electronic configuration is the arrangement of electrons in

A. nucleus

B. shells

C. sub-shells

D. all of above

Answer & Solution Discuss in Board

8.

Electrons revolve only in those orbits with angular momentum as an

A. half integral multiple of 'h'

B. integral multiple of 'h'

C. integral multiple of h ⁄ 2π

D. half integral multiple of 2π

Answer & Solution Discuss in Board

9.

After 3s the sub-shell begin to fill is

A. 3p

B. 3d

C. 3f

D. 4s

Answer & Solution Discuss in Board

10.

When an electron jumps from lower orbit to higher orbit

A. light is emitted

B. electrons are emitted

C. electrons are absorbed

D. light is absorbed

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 7: Structure of Atoms Chemistry Mcqs for High School - Grade 9

1. If n = 3 we are in

Answer & Solution

2. Water that contains H-2 atoms is called

Answer & Solution

3. Electron revolves around the nucleus in orbits which have

Answer & Solution

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

Answer & Solution

5. The energy of an electron in orbit is proportional to

Answer & Solution

6. According to Rutherford, most of the space occupied by the atom is

Answer & Solution

7. The electronic configuration is the arrangement of electrons in

Answer & Solution

8. Electrons revolve only in those orbits with angular momentum as an

Answer & Solution

9. After 3s the sub-shell begin to fill is

Answer & Solution

10. When an electron jumps from lower orbit to higher orbit

Answer & Solution

Read More Section(Chemistry Mcqs)

1.

If n = 3 we are in

2.

Water that contains H-2 atoms is called

3.

Electron revolves around the nucleus in orbits which have

4.

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

5.

The energy of an electron in orbit is proportional to

6.

According to Rutherford, most of the space occupied by the atom is

7.

The electronic configuration is the arrangement of electrons in

8.

Electrons revolve only in those orbits with angular momentum as an

9.

After 3s the sub-shell begin to fill is

10.

When an electron jumps from lower orbit to higher orbit