Class 10 Science Periodic Table MCQ Quiz

Class 10 Science Periodic Table MCQ Quiz

1. What is the atomic number of Hydrogen?

1
2
3
4

2. What is the atomic number of Helium?

1
2
3
4

3. What is the atomic number of Lithium?

1
2
3
4

4. What is the symbol of Beryllium?

B
Be
Ba
Bo

5. What is the valency of Sodium (Na)?

1
2
3
4

6. What is the atomic number of Carbon?

5
6
7
8

7. What is the symbol of Nitrogen?

N
Ng
Ni
No

8. What is the valency of Oxygen (O)?

1
2
3
4

9. What is the atomic number of Fluorine?

8
9
10
11

10. What is the symbol of Neon?

Ne
No
Nn
Nn

11. What is the valency of Sodium (Na) in NaCl?

1
2
3
4

12. What is the atomic number of Magnesium?

11
12
13
14

13. What is the symbol of Silicon?

Si
S
Sl
Sn

14. What is the valency of Phosphorus (P) in PCl₃?

3
4
5
6

15. What is the atomic number of Sulfur?

15
16
17
18

16. What is the symbol of Chlorine?

Cl
C
Ch
Cn

17. What is the valency of Argon (Ar)?

0
1
2
3

18. What is the atomic number of Potassium?

18
19
20
21

19. What is the symbol of Calcium?

Ca
C
Cl
Cd

20. What is the valency of Scandium (Sc)?

1
2
3
4