Question

4. Fill in the blanks:
(i)____are used as semiconductors in computers and flat TV screens.
(ii)____is the hardest natural substance on earth.
(iii) Density of graphite is__
(iv)___ is mixed with clay and used in making 'lead' of pencils.
(v) A form of carbon consisting of a series of carbon atoms arranged to form hollow
cage-like spherical molecules_
__

Answer 1

Answer:

Hi mate!!

Explanation:

1) silicon

2) diamond

3) 2.266 grams per cubic centimeter

4) graphite

5) Fullerene

Answer 2

1. flat panel display

2. diamond

3. 2.266 grams per cubic centimeter

4. graphite

5. fullerene