Covalent bonds Flashcards
1
Q
Covalent bonds
- what
- bond
A
Shared pair of electrons
Non metals
Strong
2
Q
Ammonia
A
NH3
3
Q
Polymer
- size
- bonds
- intermolecular forces
A
Large
Strong covalent
Strong
4
Q
Small covalent bonds
A
Hydrogen H2
Hydrogen chloride HCL
5
Q
Properties of small covalent molecules
- melting + boiling point
- intermolecular forces
- conduct?
A
Low
Weak ( stronger with size)
No ( no e charge)
6
Q
Giant covalent bonds
A
- all atoms linked
- strong covalent bonds
7
Q
Diamond
A
- 4 covalent bonds
- no free e
High melting
Hard
8
Q
Graphite
A
3 bonds
1 free e
Weak intermolecular force
High melting
9
Q
Graphene
A
1 layer graphite
10
Q
Fullerenes
A
- hollow
- carbon
- buckmisterfullerene
11
Q
Carbon nanotubes
A
- long
- small
