MEDIUM
AS and A Level
IMPORTANT
Earn 100

The chloride of an unknown element Y is a solid at . This chloride does not react with water but dissolves to give a neutral solution. Does element Y belong to Group 1, Group 14 or Group 16 of the Periodic Table?

Important Questions on Periodicity
EASY
AS and A Level
IMPORTANT
Explain what is meant by the term 'periodic property'.

MEDIUM
AS and A Level
IMPORTANT
The graph shows how a periodic property varies when plotted against atomic number for Period 3 (sodium to argon).
(i) Identify the property.
(ii) Explain the overall trend across the period.

MEDIUM
AS and A Level
IMPORTANT
i) Describe how the atomic radius varies across Periods 2 and 3.
ii) Explain this trend.

EASY
AS and A Level
IMPORTANT
(i) Describe how the atomic radius varies down each group of the periodic table.
(ii) Explain this trend.

MEDIUM
AS and A Level
IMPORTANT
Describe the acid-base nature of the solutions obtained when sodium chloride is added to water. Use equations to illustrate your answer.

MEDIUM
AS and A Level
IMPORTANT
Describe the acid-base nature of the solutions obtained when sulphur trioxide is added to water. Use equations to illustrate your answer.

MEDIUM
AS and A Level
IMPORTANT
Describe the acid-base nature of the solutions obtained when sodium oxide is added to water. Use equations to illustrate your answer.

MEDIUM
AS and A Level
IMPORTANT
Describe the acid-base nature of the solutions obtained when phosphorus(V) chloride is added to water. Use equations to illustrate your answer.
