Chapter 8 Section 1

Chapter 8 Section 1

Fill in the Blanks

With ______ valence electrons each carbon atom is able to form ________ bonds.

Multiple Choice

Modern pencils' tips are usually made of _________.

• charcoal

• chalk

• graphite

• lead

Multiple Choice

Which is not a form of pure carbon?

• diamond

• chalk

• graphite

• fullerenes

• nanotubes

Multiple Select

Different forms of the same element with different structural properties are called what?

• isotopes

• allotropes

Multiple Select

Three Right Answers

• fullerenes

• buckyballs

• graphite

• Buckminster Fuller

• diamond

Multiple Choice

What form of carbon was invented in 1991and their atoms are shaped like long hollow cylinders?

• buckyballs

• fullerenes

• nanotubes

• diamonds

Multiple Choice

Which is not a property of nanotubes?

• tiny

• flexible

• light

• weak

• strong

Fill in the Blanks

With four

each carbon atom is able to form four bonds.

Fill in the Blanks

---------------- are formed deep in the earth. They are hard, brilliant, and highly reactive.

Fill in the Blanks

The graphite in modern

is carbon even though we may call it “the lead” .

Fill in the Blanks

Fullerenes are named after an architect named

.

Fill in the Blanks

Nanotubes were invented in

(a year) and their atoms are shaped like long hollow cylinders.