Allotropes of carbon

Front

Which consists of carbon atoms?

Back

all of these

Front

What structure is shown in the diagram?

Back

Diamond

Front

Which is used in pencils?

Back

graphite

Front

Which is extremely hard?

Back

diamond

Front

Allotropes

Back

Atoms in different arrangement and different physical form

Front

What structure is shown in the diagram?

Back

fullerene

Front

Which statement is a true comparison of diamonds and graphite?

Back

Diamonds are extremely hard and colorless whereas graphite is a very soft gray substance.

Front

Graphite is a good conductor of electricity because it has ....................................... that .......................................... through the whole structure.

Back

delocalised electrons can move

Front

Why is carbon graphite used in pencil lead?

Back

The layers can slide over each other.

Front

Why is diamond used for cutting glass?

Back

hard and strong