Question

The element which occurs both in a very hard and very soft form is,
a) Si
b) C
c) Sn
d) Pb

Answer 1

Here is your answer,

b) Carbon







HOPE IT HELPS YOU !!!

Answer 2

Dear Students,

● Answer -

(b) C

● Explanation -

Carbon can be naturally found in very hard (diamond) as well as in very soft (graphite) form.

# Diamond (hard form) -

• Diamond is hard, transparent and colourless solid.
• It has 3-D tetrahedral structure.
• It is insulator for electricity.

# Graphite (soft form) -

• Graphite is soft, black and brittle solid.
• It has 2-D layered structure.
• It is electrical conductor

Hope this is helpful ..