Chemistry quiz

What are covalent bonds?

• a relationship between people or groups based on shared feelings, interests, or experiences:

• Chemical Bonding refers to the formation of a chemical bond between two or more atoms, molecule

• None

• covalent bond is formed by equal sharing of electrons from both participating atoms

What does tetrahedrally mean?

• has 1 carbon attached to it

• oxygens attached

• each carbon atom will have 4 carbon atoms attached to it.

• tetraheadral with 2 carbon atoms attached to it

How are diamond arranged?

• carbon atoms are arranged tetrahedrally. Each carbon atom is attached to four other carbon atom

• each atom is attached with 2 - 3 carbon atoms. It also has a vast intermolecular space

• arranged within co2

• none

What is the structure of a diamond?

• Diamond is a solid. It’s atoms are in a pyramid structure. This is known as diamond square.

• Diamond is a solid. It’s atoms are in a crystal structure. This is known as diamond cubic.

• It is an atom that is a liquid, solid and a gas

• None

Do diamonds have a definite chemical composition? True or False

• True

• False

How is diamond different from fullerene and graphite? State 2 reasons

• Diamond has a cubic structure, fullerene has triangalura shaped and graphite has hexagonal .

• diamond = cubic crystal, graphite = hexagonal crystal structure, fullerene = large molecule

• they are all allotropes

Are DIAMONDS, GRAPHITES and FULLERENE all allotropes?

• True

• False

Name 1 feature of diamond

• very low melting point

• carbon-carbon covalent bonds have to be broken throughout the structure before melting occurs.

• Conducts electricity

In what way is diamonds used in every day life?

• Used as a teeth tool

• Used in jewelry making

• none

• Used in industrial purpose.

Is Diamonds a homogeneous, solid, naturally-occurring and organic substance?

• True

• False