Metallic Bonding

Question 1

Define metallic bond

Answer 1

Electrostatic attraction between positive ions and a sea of delocalised electrons
Crystal lattice of positive ions
Non-directional bond - doesn’t matter where the ions are

Question 2

How is the strength of metallic bonds determined?

Answer 2

Number of free electrons
Nuclear charge
The stronger the bond, the higher the melting and boiling point

Question 3

Name the properties of metals

Answer 3

Good conductors of electricity - delocalised electrons that are free to carry charge
Malleable and ductile - non-directional bonds means the layers of ions can slide over each other
High melting and boiling points - strong electrostatic forces of attraction between the cations and electrons