Diamond

Question 1

what type of substances are diamonds? [1]

Answer 1

giant covalent structures

Question 2

how many covalent bonds does diamond have?

Answer 2

4 covalent bonds

Question 3

what are the properties of diamond and why? [6]

Answer 3

-vey hard –> millions of carbon atoms
-high melting, boiling points –> los of energy needed to break strong covalent bonds
-cannot conduct electricity -> no free electrons to carry charge

Question 4

diamond cannot conduct _______ because all the other electrons are in _______ _____. This means that diamond has __ ____ _______ to carry electrical charge.

Answer 4

diamond cannot conduct ELECTRICITY because all the other electrons are in COVALENT BONDS. This means that diamond has NO FREE ELECTRONS to carry electrical charge.

Question 5

What is diamond useful for?

Answer 5

cutting tools

Question 6

what is diamond formed by?

Answer 6

carbon atoms