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Chemistry 9 Chapter 3
Periodic Table and Periodicity of Properties - 3
1.
Which one of the following is Not a noble gas?
a) Krypton
b) Xenon
c) Oxygen
d) Neon
2.
Which one of the following is Not an alkali metal?
a) Magnesium
b) Potassium
c) Rubidium
d) Sodium
3.
Which one of the following is an alkaline earth metal?
a) Francium
b) Barium
c) Lithium
d) Cesium
4.
Which one of the following is a lanthanide?
a) Thorium
b) Cerium
c) Plutonium
d) Uranium
5.
Which one of the following is an actinide?
a) Curium
b) Promethium
c) Cerium
d) Samarium
6.
Radon is a(n)?
a) halogen
b) alkali metal
c) alkaline earth metal
d) noble gas
7.
Astatine is a(n)?
a) alkaline earth metal
b) halogen
c) alkali metal
d) noble gas
8.
Francium is a(n)?
a) alkali metal
b) halogen
c) alkaline earth metal
d) noble gas
9.
Berylium is a(n)?
a) alkali metal
b) halogen
c) noble gas
d) alkaline earth metal
10.
Atomic number of Boron is?
a) none of these
b) 10
c) 3
d) 5
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