What is the physical property of …

S.No

Property

Metals

Non-Metals

1

Physical State

Metals are solid at room
temperature. Except mercury and gallium.

Non-metals generally
exist as solids and gases, except Bromine.

2

Melting and boiling points

Metals generally have
high m.pt and b.pt except gallium and cesium.

Non-metals have low
m.pt and b.pt except diamond and graphite.

3

Density

Generally high.

Generally low.

4

Malleability and Ductility

Malleable and ductile.

Neither malleable nor
ductile.

5

Electrical and thermal conductivity

Good conductors of heat
and electricity.

Generally poor
conductors of heat and electricity except graphite.

6

Luster

Poses shining luster.

Do not have luster
except iodine.

7

Sonorous sound

Give sonorous sound
when struck.

Does not give
sonorous sound.

8

Hardness

Generally hard except
Na, K

Solid non-metals are
generally soft except diamond.