ASChemistryCambridge (CIE)Exam Questions9. The Periodic Table: Chemical PeriodicityChemical Periodicity of Other Elements

Chemical Periodicity of Other Elements (Cambridge (CIE) AS Chemistry): Exam Questions

Exam code: 9701

37 mins12 questions

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Chemical Periodicity of Other Elements

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1
1 mark

Element G reacts with chlorine to form a chloride. This chloride reacts with water to form a strongly acidic solution.

To which group of the Periodic Table could element G belong?

  • Group 1

  • Group 2 

  • Group 15

  • Group 16

Choose your answer

2
1 mark

Element Z reacts with oxygen to form an oxide that is a solid at room temperature. The oxide formed can react with both acids and bases.

Which element could be Z?

  • Si

  • Mg

  • Cl

  • Al

Choose your answer

3
1 mark

Element X forms an oxide with a high melting point of 1710 °C. The oxide reacts with hot aqueous sodium hydroxide.

Which element is X?

  • Si

  • Na

  • Cl

  • S

Choose your answer

1
1 mark

The Period 4 elements gallium (Ga), germanium (Ge), arsenic (As) and selenium (Se) are the elements directly below aluminium, silicon, phosphorus and sulfur in the Periodic Table.

The properties of each Period 4 element resemble those of the Period 3 element directly above it.

Which Period 4 elements form oxides that dissolve in water to form an acidic solution?

  • Ga and Ge

  • Ga and Se

  • As and Se

  • Se only

Choose your answer

2
1 mark

Elements X and Y react together to form compound Z. Elements X and Y are both in Period 3. Element X has the smallest atomic radius in Period 3. Apart from argon, there is only one element in Period 3 which has a lower melting point than element Y.

Which compound could be Z?

  • Na2S

  • MgS

  • MgCl2

  • PCl3

Choose your answer

3
1 mark

Compound X readily conducts electricity when added to water to produce a solution, but does not conduct electricity in its liquid state.

Which pair of compounds could be X?

  • MgCl2 and PCl3

  • MgCl2 and SiCl4

  • PCl3 and SiCl4

  • SiCl4 and NaCl

Choose your answer

1
1 mark

The successive ionisation energies of elements X and Y are shown below.

1st

2nd

3rd

4th

5th

6th

7th

8th

IE of X / kJ mol-1

590

1145

4912

6491

8153

10496

12270

14206

IE of Y / kJ mol-1

1012

1907

2914

4964

6274

21267

25431

29872

X and Y form ions with the same electron configuration as argon.

What are the identities of elements X and Y respectively?

  • Calcium and phosphorus 

  • Sodium and oxygen

  • Magnesium and nitrogen

  • Phosphorus and potassium 

Choose your answer

2
1 mark

G and J are oxides of different Period 3 elements.

When 1.0 mol of J is added to water, the resulting solution is neutralised by exactly 1.0 mol of G.

Which row identifies G and J?

G

J

A

Na2O

SO3

B

Na2O

P4O10

C

Al2O3

SO3

D

Al2O3

P4O10

    Choose your answer

    3
    1 mark

    The ion of element Z has the same electron configuration as a neon atom and has an oxidation state that is common to iron.

    An oxide of element Z is insoluble in water but reacts with dilute hydrochloric acid to produce a salt.

    Which element is Z?

    • Magnesium

    • Silicon

    • Sodium

    • Aluminium

    Choose your answer