Group 2

Question 1

What is the name given to group 2 metals

Answer 1

Alkaline earth metals

Question 2

List 3 physical properties of group 2 metals

Answer 2

High melting and boiling point
Low density
Form colourless compounds

Question 3

What happens to reactivity down group 2 and why

Answer 3

Increases
Electrons are lost more easily because larger atomic radius and more shielding

Question 4

What happens to first ionisation energy down group 2 and why

Answer 4

Decreases because:

Number of filled electron shells increases down the group, so increased shielding

Increased atomic radius, weaker forces of attraction between outer electron and nucleus

Less energy needed to remove electron

Question 5

What type of reaction occurs with group 2 and oxygen

Answer 5

redox reaction

Question 6

What products are produced when group 2 reacts with dilute acid

Answer 6

Salt and hydrogen

Question 6

What type of reaction occurs with group 2 and water

Answer 6

Redox

Question 7

What is reduced and what is oxidised during the reaction of group 2 metal and water

Answer 7

Metal - oxidised
One hydrogen atom from each atom - reduced

Question 8

What is the trend in hydroxide solubility down group 2

Answer 8

Increases down the group

Question 9

What is calcium hydroxide used for

Answer 9

Used to neutralise soil

Question 10

What is magnesium oxide used for

Answer 10

Used to treat indigestion/heart burn

Question 11

What is calcium carbonate used for

Answer 11

Used in building construction