Chemistry 9 Chapter 3Periodic Table and Periodicity of Properties - 4

Chemistry 9 Chapter 3
Periodic Table and Periodicity of Properties - 4

1. Atomic weight of magnesium is?

a) 24
b) 36
c) 20
d) 24

2. K is the symbol of?

a) chromium
b) potassium
c) chlorine
d) krypton

3. The symbol of iron is?

a) I
b) In
c) Fe
d) Ir

4. The symbol of Bismuth is?

a) Bi
b) B
c) Ba
d) Be

5. The symbol of cobalt is?

a) Cs
b) Co
c) Cu
d) Ca

6. The symbol of Strontium is?

a) S
b) Sc
c) Se
d) Sr

7. The symbol of Tin is?

a) Te
b) Tl
c) Ti
d) Sn

8. Br is the symbol of?

a) Berylium
b) Boron
c) Bromine
d) Barium

9. The vertical column of elements in the periodic table is known as?

a) period
b) none of these
c) both of these
d) group

10. Elements with similar valance shell electronic configuration are placed in the?

a) different groups
b) same group
c) same periods
d) none of these

This is more feedback!

This is the feedback!