Chemistry Flashcard: Groups 1 & 2

Front

Trend in ionisation energy for Group 1 and Group 2 metals as you go down the group?

Back

Ionisation energy decreases

Front

What happens to the reactivity of Group 1 metals as you go down the group?

Back

Reactivity increases

Front

What is formed when Group 1 metals react with oxygen?

Back

Metal oxides

Front

What is the general equation for the reaction of Group 2 metals with oxygen?

Back

2M (s) + O2(g) → 2MO (s)

Front

What is the product when magnesium reacts with water?

Back

Magnesium hydroxide

Front

Calcium hydroxide solution is also called ______.

Back

limewater

Front

What do Group 1 metal oxides react with water to produce?

Back

A colourless alkaline solution

Front

What happens when an alkali reacts with an acid?

Back

A neutralisation reaction occurs

Front

What is the observation when MgO reacts with water?

Back

Forms a weakly alkaline solution

Front

What is the general equation for the decomposition of Group 2 carbonates?

Back

XCO3 (s) + heat → XO (s) + CO2 (g)