Giant covalent structures

Each carbon atom is bonded to 4 other carbon atoms in which giant covalent structure?

diamond

Covalent bonds take a lot of energy to break so giant covalent structures have a...

a high melting point

The substance made of silicon and oxygen is...

silicon dioxide

A single sheet of carbon atoms where each bonded to three other carbon atoms

Graphene

Multiple layers of carbon atoms where each atom is bonded to three other carbon atoms. Layers are have weak attractions between them.

Graphite

Graphite can be used as a ........................ as the layers slide over each other easily

Lubricant

Graphite conducts electricity because it has...

Delocalised electrons

Diamond does not conduct electricity well because it has...

No delocalised electrons

A common use for graphite

Pencils

Sheets of graphite can slide over one another because they have...

Weak intermolecular forces

Fullerenes can be what shapes?

Tubes or balls

Which giant carbon structure can be said to strengthen tennis rackets?

Carbon nanotubes

Which giant carbon structure may be used to deliver drugs into targeted cells?

Buckyballs (graphene balls)

Isotope meaning

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nulei. They differ in relative atomic mass but not in chemical properties