IGCSEScienceEdexcelScience (Double Award) (Modular)Chemistry Unit 1Exam Questions1. Principles of Chemistry: Part 1The Periodic Table

The Periodic Table (Edexcel IGCSE Science (Double Award) (Modular): Chemistry Unit 1): Exam Questions

Exam code: 4XSD1

1 hour15 questions
Easy
Medium
Hard
1a
5 marks

This question is about chemical elements.

Use the Periodic Table to help you answer this question.

i) Identify the element with atomic number 5

[1]

ii) Give the symbol of a metallic element in Period 3

[1]

iii) Identify the element whose atoms contain 14 protons.

[1]

iv) Identify the element whose atoms have the electronic configuration 2.5

[1]

v) Give the name of the compound formed between oxygen and the element with atomic number 13

[1]

How did you do?

1b
1 mark

The position of an element in the Periodic Table can be used to predict its properties.

Which group contains elements that are all unreactive?

  • Group 2

  • Group 5

  • Group 6

  • Group 0

Choose your answer

1c
1 mark

Which of these is the least reactive element in Group 1?

  • caesium

  • lithium

  • potassium

  • sodium

Choose your answer

2a
5 marks

The box shows the names of some substances.

bromine

carbon dioxide

copper

iodine

methane

nitrogen

sulfur dioxide

water

 Complete the table by choosing substances from the box that match the description.

 Each substance may be used once, more than once or not at all.

Description

Substance

a good conductor of electricity

 

an element that has a basic oxide

 

a substance used as a fuel

 

a major cause of acid rain

 

a non‐metallic element that is a solid at room temperature

 

How did you do?

2b
2 marks

Describe a test for carbon dioxide.

How did you do?

3a
4 marks

The diagram shows the positions of some elements in the Periodic Table.

An outline of the Periodic Table with the group numbers 1 and 2 above the left-hand block and 3, 4, 5, 6, 7 and 0 above the right-hand block. H sits on its own above the main table and He is in the top right-hand cell of group 0. F is in group 7 of the first full row. Na is in group 1 and Cl in group 7 of the next row. K is in group 1 and Br in group 7 of the bottom row.

Use symbols from this table to answer these questions.

Each symbol may be used once, more than once or not at all.

i) Give the symbol of a metal.

[1]

ii) Give the symbol of a noble gas.

[1]

iii) Give the symbol of a liquid at room temperature.

[1]

iv) Give the symbols of the two elements in Period 3

[1]

......................................... and .........................................

How did you do?

3b
1 mark

Deduce the electronic configuration of Na.

How did you do?

4a
2 marks

The diagram shows part of the Periodic Table, with elements represented by the letters L, M, Q, R and T.

The letters in the diagram represent elements but are not their chemical symbols.

An outline of the Periodic Table with the group numbers 1 and 2 above the left-hand block and 3, 4, 5, 6, 7 and 0 above the right-hand block. Letters stand in individual cells. J sits on its own above the main table and X is in the top right-hand cell of group 0. In the first full row A is in group 1, M in group 3 and Z in group 0. Q is in group 4 of the row below. E and L are both in the middle block of the next row. D is in group 2 and R in group 4 of the row after that. G is in the middle block and T in group 7 of the bottom row.

i) Give the letter from the diagram that represents an element in period 3.

[1]

ii) Give two letters from the diagram that represent elements that are in the same group

[1]

How did you do?

4b
2 marks

Use the diagram in part a) to answer this question.

i) Give the letter from the diagram that represents the element with 5 protons.

[1]

ii) State the electronic configuration of the element with 5 protons.

[1]

How did you do?

4c
3 marks

An element on the Periodic Table has the electronic configuration 2.8.6.

i) State the number of the period to which this element belongs.

[1]

ii) State the number of the group to which this element belongs.

[1]

iii) Give the name of the element with the electronic configuration 2.8.6.

[1]

How did you do?

4d
2 marks

i) Name of the element with the electronic configuration 2.8.1.

[1]

ii) State whether the element in part i) is a metal or a non-metal.

[1]

How did you do?

5a
1 mark

Mendeleev arranged the elements in the Periodic Table so that elements with similar properties fell into the same vertical columns. The physical property that he used was the atomic mass of the element and the chemical property was the behaviour of the oxide and hydride formed.

What term is used to describe the vertical columns of the Periodic Table?

How did you do?

5b
3 marks

The Group 1 elements are often called the alkali metals because of their reaction with water to form metal hydroxides and hydrogen.

i) Name two alkali metals.

[1]

ii) Name the element that is in Group 1 but cannot be classed as an alkali metal.

[1]

iii) State one observation when an alkali metal reacts with water.

[1]

How did you do?

5c
3 marks

State the trends, if any, in the reactivity of elements in Groups 1, 7 and 0.

How did you do?

5d
1 mark

Argon is a Group 0 element that is found in Period 3 of the Periodic Table.

Complete the diagram to show the electronic configuration of argon.

Three empty concentric circles representing the three electron shells of an atom, with no electrons drawn on them.

How did you do?

1
1 mark

What is the electronic configuration of silicon?

A diagram of a silicon atom, labelled Si at the centre, with three electron shells drawn around it. The innermost shell carries two crosses, the middle shell eight crosses in pairs at the top, bottom, left and right, and the outer shell four crosses, one each at the top, bottom, left and right.

  • 2,4

  • 2,2,4

  • 2,2,8

  • 2,8,4

Choose your answer

2
1 mark

Which diagram shows the electronic configuration of a nitrogen atom?

  • An atom diagram with a filled dot at the centre and two shells. The inner shell carries four electrons, one each at the top, bottom, left and right, and the outer shell carries four, one each at the top, bottom, left and right.
  • An atom diagram with a filled dot at the centre and two shells. The inner shell carries three electrons, at the left, right and bottom, and the outer shell carries two, one at the left and one at the right.
  • An atom diagram with a filled dot at the centre and two shells. The inner shell carries four electrons, one each at the top, bottom, left and right, and the outer shell carries eight, in pairs at the top, bottom, left and right.
  • An atom diagram with a filled dot at the centre and two shells. The inner shell carries two electrons, one at the top and one at the bottom, and the outer shell carries five: one at the top, one at the left, one at the right and a pair at the bottom.

Choose your answer

3
1 mark

The diagram shows part of the periodic table, with elements represented by the letters M, Q, R and T. The letters in the diagram represent elements but are not their chemical symbols.

Use the Periodic Table to help you answer this question.

An outline of the Periodic Table with no group or period numbers printed and the first period not shown. Four cells carry letters. In the top row M sits in the second cell from the right of the right-hand block. In the row below, Q is in the second cell from the left and R is in the first cell of the right-hand block. The third row is empty. In the bottom row T is in the first cell on the left.

Which of these statements is true?

  • T and Q form acidic oxides

  • M conducts electricity

  • M is a non-metal element

  • R is a gaseous non-metal element

Choose your answer

4a
3 marks

Use the Periodic Table to help you answer this question.

i) Name the element with atomic number 14

[1]

ii) Name the element with a relative atomic mass of 11

[1]

iii) Name the element in Group 2 and Period 3

[1]

How did you do?

4b
3 marks

i) Determine the number of neutrons in a phosphorus atom with mass number 31

[1]

ii) State the electronic configuration of an aluminium atom.

[1]

iii) State why neon is unreactive.

[1]

How did you do?

5
1 mark

The following elements are found in group 0 of the periodic table.

He   Ne   Ar   Kr   Xe   Rn

What explains their similar chemical and physical properties?

  • They have the same number of valence electrons

  • They are all gases

  • They have the same number of protons and electrons

  • They have full outer shells

Choose your answer

6
1 mark

Which element, T, Q, R, or M has the electronic configuration 2,8,3?

An outline of the Periodic Table with no group or period numbers printed and the first period not shown. Four cells carry letters. In the top row M sits in the second cell from the right of the right-hand block. In the row below, Q is in the second cell from the left and R is in the first cell of the right-hand block. The third row is empty. In the bottom row T is in the first cell on the left.

  • element M

  • element Q

  • element T

  • element R

Choose your answer

1a
1 mark

The diagram shows part of the Periodic Table, with elements represented by the letters L, M, Q, R and T.

The letters in the diagram represent elements but are not their chemical symbols.

An outline of the Periodic Table with the group numbers 1 and 2 above the left-hand block and 3, 4, 5, 6, 7 and 0 above the right-hand block. One empty cell sits on its own above the main table and T is in the top right-hand cell of group 0. L is in group 1 of the first full row. M is in group 1, Q in group 3 and R in group 5 of the third full row.

Give the letter from the diagram that represents a noble gas.

How did you do?

1b
1 mark

Elements L and M are in the same group.

State why they have similar chemical reactions.

How did you do?

1c
2 marks

An atom of element Q has 31 protons.

Use this information to explain how you can determine the number of protons in an atom of element R.

How did you do?

2a
1 mark

In 1937, an airship full of hydrogen gas flew from Germany to America.

A black and white photograph of a large airship flying low over a city of tall buildings, with a river and docks visible beyond.

(Source: © Michael Rosskothen/Shutterstock)

Which property of hydrogen makes it a suitable gas to use in an airship?

  • colourless

  • insoluble in water

  • low density

  • no smell

Choose your answer

2b
2 marks

Explain why helium is now used in airships instead of hydrogen.

How did you do?

2c
2 marks

Hydrogen is used to manufacture ammonia, NH3

Hydrogen is reacted with nitrogen using an iron catalyst.

i) Give a chemical equation for this reaction.

[1]

ii) State why a catalyst is used in this reaction.

[1]

How did you do?

3a
2 marks

Mendeleev's Periodic Table was published in 1869, classifying the elements that had been discovered at that time by their atomic weights. Part of his Periodic Table is shown.

Use the information in this table and the Periodic Table to answer the questions.

Group 1

Group 2

Group 3

Group 4

Group 5

Group 6

Group 7

H

 

 

 

 

 

 

Li

Be

B

C

N

O

F

Na

Mg

Al

Si

P

S

Cl

Hydrogen is an element from Mendeleev's table that is not in the same group of the modern Periodic Table.

Give two reasons why it should not be in Group 1.

How did you do?

3b
2 marks

Give two reasons why hydrogen could be placed in Group 1.

How did you do?

3c
2 marks

Give two reasons why hydrogen could be placed in Group 7.

How did you do?

3d
4 marks

The modern Periodic Table arranges the elements in order of atomic number.

What scientific discoveries allowed elements to be placed in their correct period and group?

How did this knowledge allow elements to be correctly placed?

How did you do?

4a
2 marks

This question is about chemical elements.

Use the Periodic Table to help you answer this question.

i) Identify the element whose atoms contain 10 neutrons and 9 protons.

[1]

ii) Identify the element whose atoms have the electronic configuration 2.8.5

[1]

How did you do?

4b
1 mark

Give the name of the compound formed between the element with an electronic configuration of 2.8.6 and the non-metallic element in Group 3.

How did you do?

4c
5 marks

A white solid is formed from the reaction between the element with an atomic number of 7 and the element with an electronic configuration of 2.8.3

i) State the type of bonding present in the white solid.

[1]

ii) Describe the changes that occur to the atoms of both elements as they react to form the white solid.

[3]

iii) Give the chemical formula of the white solid.

[1]

How did you do?

4d
3 marks

The Group 6 element whose oxides are linked to acid rain can react with the element whose electronic configuration is 2.7 to form different compounds.

i) Draw a dot-and-cross diagram to show the bonding in a molecule of the compound formed with a relative molecular mass (Mr) of 70.

[2]

ii) An alternative product with a relative molecular mass (Mr) of 146 is formed under different conditions. Suggest the molecular formula of this product.

[1]

How did you do?