Giant covalent structures

Question 1

Describe the structure of diamond

Answer 1

Forms a giant tetrahedral structure as each carbon bonds with four other atoms. Diamond has bond angles of 109.5

Question 2

Describe the structure of graphite

Answer 2

Forms hexagonal layers with a free moving electron as each carbon bonds with three other atoms. Graphite has bond angles of 107. Graphite has a trigonal planar formation

Question 3

What forces are present between graphite layers

Answer 3

Induced dipole

Question 4

Similarities between graphite and diamond

Answer 4

They have the same high boiling point and are insoluble in water.

Question 5

Differences between graphite and diamond

Answer 5

Graphite can conduct electricity and is soft whereas diamond cannot and is hard