Atoms and Molecules Two Marks Questions

10th Standard EM

Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 20
10 x 2 = 20
1. Define : Relative atomic mass.

2. Write the different types of isotopes of oxygen and its percentage abundance

3. What is Molar volume of a gas?

4. Find the percentage of nitrogen in ammonia.

5. Define atomic mass unit?

6. Define average atomic mass (AAM).

7. Give an example of homo triatomic molecule

8. What is a poly atomic molecule?