Activity 1.7


1
Select any 20 elements from all groups.

Ans:
20 elements from all groups are selected as below:
Sodium
Magnesium
Copper
Zinc
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Aluminium
Silicon
Phosphorus
Sulphur
Chlorine
Argon
Lanthanum
Actinum

2
Identify the block to which each element belongs.

Ans:
s-block
p-block
d-block
f-block
Sodium
Aluminium
Copper
Lanthanum
Magnesium
Silicon
Zinc
Actinum

Phosphorus
Scandium

Sulphur
Titanium
Chlorine
Vanadium
Argon
Chromium

Manganese
Iron
Cobalt
Nickel

3
Identify the group to which the element belongs.

Ans:
IA and IIA
IB to VIIB
VIIIB
IIIA to VIIA
Zero Group
Sodium
Copper
Iron
Aluminium
Argon
Magnesium
Zinc
Cobalt
Silicon


Scandium
Nickel
Phosphorus


Titanium

Sulphur


Vanadium

Chlorine


Chromium




Manganese