Question

Name two hard and two soft solids.

Answer 1

Solids are usually in hard state, which are usually hard by nature. The molecules involved in hard state solids are packed tightly with the covalent bonding and needs lot of energy to break their bonds.

Whereas the soft solids have weak ionic and covalent bonds making it easy to break their bonds and thus they attain normally a soft state.

Iron and copper are the two hard solids. Sulphur and phosphorous are the two soft solids

Answer 2

Answer:

Two hard solid are :

Furniture

Gold

Two soft solid are :

Rubber

Sponge