Question

1. --------------------- element is used for making pencil lead.
2.--------------------and ------------------------- are lustrous non - metal.
3. ------------------------- is the only non-metals that exist as a liquid at room temperature

Answer 1

Answer:

1) Graphite

2) Iodine and graphite

3) Bromine

Answer 2

Answer:

1.Graphite

2.Diamond and iodine

3.Bromine