Question
From amongst the list, choose the metals and non-metals, state the property on the basis of which you make your choice.
Chlorine, Aluminium, Sulphur, Sodium, Silver, Helium, Carbon
Solution
Chlorine is a non-metal. It is a gas at room temperature and is brittle.
Aluminium is a metal. It is good conductor of heat and electricity.
Sulphur is a non-metal. It is brittle and non-malleable or ductile.
Sodium is a metal. It shows lustre and malleable.
Silver is a metal. It shows lustre and is the best conductor of heat.
Helium is a non-metal. It is a gas and does not conduct electricity.
Carbon is non-metal. It is non-malleable and non-ductile.
