- Iodine is a lustrous non-metal.
- Bromine is a non-metal which exists as a liquid at room temperature.
- Graphite is the allotropic form of carbon, and it is a good conductor of electricity.
- Carbon is a non-metal which is known to form the largest number of compounds.
- Phosphorus is a non-metal other than carbon which shows allotropy.
- Oxygen is a non-metal which is required for combustion.