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  • Subjects
  • Chemistry CBSE Live product
  • Class 9
  • Structure of the atom

Annual Revision IV - Structure of the atom

Theory

1. Atomic and mass numbers with isotopes, isobars, and isotones

Practice Questions

1. Atomic number, mass number and isotopes

Difficulty: easy

2
2. Average atomic mass and applications of isotopes

Difficulty: easy

2
3. Chemical properties of isotopes and isobars

Difficulty: easy

1
4. Identifying atomic number

Difficulty: easy

2
5. Calculation of percentage of isotopes

Difficulty: medium

2
6. Atomic number and mass number

Difficulty: medium

3
7. Calculation of number of protons and neutrons

Difficulty: medium

3
8. Isotope and isobar

Difficulty: medium

4
9. Identifying isotopes, isobars and isotones

Difficulty: hard

6

Teacher manual

1. Methodical recommendation
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