covelant structures

Question 1

characteristics of diamond

Answer 1

tetrahedral structure
each atom is bonded to 4 other atoms
strong and durable
high melting point
no electrical conductivity as it has no loose electrons

Question 2

characteristics of graphite

Answer 2

made of sheets of carbon
each carbon atom forms 3 covalent bonds. This allows electrical conductivity due to the singular loose electron.
can be used as a lubricant as the sheets of carbon slide
has a high melting point

Question 3

characteristics of graphene

Answer 3

graphene is one sheet of carbon atom
forms 3 covalent bonds
which allows electrical conductivity due to its loose electron
has a high melting point

Question 4

characteristics of fullerene

Answer 4

spherical structure
has 60 carbon atoms
low melting point due to its weak intermolecular forces

Question 5

Allotrope

Answer 5

a compound made from the same element with different structures

Question 6

covalent bond

Answer 6

when two non-metal atoms share electrons to form full outer shells