Metals

Question 1

Metallic bonding

Answer 1

The electrostatic force of attraction between positively charged ions and delocalised electrons

Question 2

Reaction with water

Answer 2

Potassium
Sodium
Lithium
Calcium

Question 3

React with acids

Answer 3

Magnesium 
Aluminium 
Zinc 
Iron 
Tin
Lead

Question 4

React with oxygen

Answer 4

Copper
Mercury
Silver

Question 5

Oxidation

Answer 5

Loss of electrons

Atoms to ions

Question 6

Reduction

Answer 6

Gain of electrons

Ions to atoms

Question 7

Metals reacting with water

Answer 7

Metal + water = metal hydroxide + hydrogen

Question 8

Ores

Answer 8

A naturally occurring compound of a metal from which the more reactive metals must be extracted

Question 9

Electrolysis

Answer 9

The breaking down of a substance using electricity

Question 10

Electrochemical series

Answer 10

Metals close together in the series produce a low voltage

Metal far apart in the series produce a large voltage

Question 11

Ion or salt bridge

Answer 11

Allows ions to flow through the solutions carrying the current

Question 12

Flow of electrons

Answer 12

The electrons flow from the metal higher in the electrochemical series to the metal lower in the series through the wire

Question 13

Fuel cells

Answer 13

Converts hydrogen and oxygen into water

Give off no pollution and produce pure water