Question

State any three physical properties of carbon and compound

Answer 1

it always form covalent compound 
it is an tetrahedral 
it have a power of catination or self linking property

Answer 2

i) They both have low melting points and boiling points.

ii) They conduct electricity either in the solid state or in molten state or in the solution form. So they are non-electrolytes.

iii) Most carbon compounds occur in all living things like plants and animals.

Hope this helps