Name a metal which is soft and a non-metal which is hard.
A soft metal - Helium (liquid state), Sodium (soft solid)
A hard non-metal - Carbon (in the form of Diamond), Sulphur.
Name
(a) a soft metal.
(b) a metal which is brittle.
(c) a non-metal which is lustrous.
(d) a liquid metal.
(e) a metal which is a poor conductor of electricity.
(f) a non-metal which is a good conductor of electricity.
(g) a liquid non-metal.
(h) the hardest naturally occurring substance.
(i) an inert gas.
Name a non-metal which is very hard.