Pumpa logo
Pumpa logo
Home
Home
TOP
TOP
Feedback
Send feedback
Pumpa logo
  • Subjects
  • Chemistry CBSE Live product
  • Class 9 (2026-27)
  • Journey Inside the Atom

PT1 Revision I - Journey inside the atom

Theory

1. The Journey of the Atomic Model

Practice Questions

1. A&R - Development of atomic theory

Difficulty: easy

1
2. Subatomic particles

Difficulty: easy

2
3. Electrical nature of atoms

Difficulty: easy

1
4. Comparison between Thomson's and Rutherford's atomic models

Difficulty: medium

3
5. TBQ - Rutherford’s Gold Foil Experiment

Difficulty: hard

4
6. TBQ - Bohr's atomic model

Difficulty: medium

4
7. Energy levels in an atom

Difficulty: medium

3
8. Discovery of the neutron

Difficulty: medium

2
9. TBQ - Evolution of the atomic model

Difficulty: hard

3

Teacher manual

1. Methodical recommendation
Previous topic
All topics
Next topic

Send feedback

Did you find an error?
Send it to us!
Copyright © 2026 YaClass Tech Private Limited Contacts Terms and Conditions Privacy Policy