THE PARTICLE QUIZ

1) How many atoms are there in one molecule of NH₃?

• 1

• 2

• 3

• 4

2) How many atoms are there in one molecule of O₂?

• 1

• 2

• 3

• 4

3) How many atoms are there in one molecule of MgSO₄?

• 1

• 3

• 4

• 6

4) How many sulphur atoms are there in one molecule of MgSO₄?

• 1

• 3

• 4

• 6

5) How many types of elements are there in one molecule of NH₃?

• 1

• 2

• 3

• 4

6) How many types of elements are there in one molecule of O₂?

• 1

• 2

• 3

• 4

7) How many types of elements are there in one molecule of MgSO₄?

• 1

• 3

• 4

• 6

8) How many types of elements are there in one molecule of Al₂O₃?

• 1

• 2

• 3

• 5

9) How many types of atoms are there in one molecule of Al₂O₃?

• 1

• 2

• 3

• 5

10) What is the difference between N and N₂?

• N is a molecule and N₂ is an element

• N is an ion and N₂ is a molecule

• N is an atom and N₂ is a molecule

• N is an element and N₂ is a molecule