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OCR GCSE Combined Science

Topic questions Atomic structure The development of the model of the atom

The development of the model of the atom

9 questions · 51 marks · about 1 hour

The development of the model of the atom questions

TopicThe development of the model of the atom

OCR J250 The development of the model of the atom 9 questions

Physics Paper 5 June 2025 Foundation tier, Question 17, also on the Higher paper 6 marks

In the early part of the twentieth century, several scientists developed new ideas about what atoms look like.

(a)

Thomson proposed the plum pudding model in 1904.

(a)(i)

What are the two main ideas about electric charge in this model?

[2]
Reveal mark scheme Mark scheme for question 17(a)(i)
(a)(ii)

Give one reason this model was not developed until 1904.

[1]
Reveal mark scheme Mark scheme for question 17(a)(ii)
(b)

Rutherford fired alpha particles at gold foil. He published his results in a scientific journal.

(b)(i)

Suggest two reasons why he published his results in a scientific journal.

[2]
Reveal mark scheme Mark scheme for question 17(b)(i)
(b)(ii)

Draw one line from one of the physicists to show which change they made to Rutherford’s model.

Figure for question 17
[1]
Reveal mark scheme Mark scheme for question 17(b)(ii)

Physics Paper 11 June 2025 Higher tier, Question 12, also on the Foundation paper 6 marks

In the early part of the twentieth century, several scientists developed new ideas about what atoms look like.

(a)

Thomson proposed the plum pudding model in 1904.

(a)(i)

What are the two main ideas about electric charge in this model?

[2]
Reveal mark scheme Mark scheme for question 12(a)(i)
(a)(ii)

Give one reason this model was not developed until 1904.

[1]
Reveal mark scheme Mark scheme for question 12(a)(ii)
(b)

Rutherford fired alpha particles at gold foil. He published his results in a scientific journal.

(b)(i)

Suggest two reasons why he published his results in a scientific journal.

[2]
Reveal mark scheme Mark scheme for question 12(b)(i)
(b)(ii)

Draw one line from one of the physicists to show which change they made to Rutherford’s model.

Figure for question 12
[1]
Reveal mark scheme Mark scheme for question 12(b)(ii)

Physics Paper 5 June 2024 Foundation tier, Question 10, also on the Higher paper 1 mark

Different scientists have contributed to the model of the atom.

What is the order of each scientist’s contribution from the oldest to the newest?

Question 10, shown as an image

A Bohr, Rutherford, Thomson

B Rutherford, Bohr, Thomson

C Thomson, Bohr, Rutherford

D Thomson, Rutherford, Bohr

Question 10, shown as an image
[1]
Reveal mark scheme Mark scheme for question 10

Physics Paper 11 June 2024 Higher tier, Question 2, also on the Foundation paper 1 mark

Different scientists have contributed to the model of the atom.

What is the order of each scientist’s contribution from the oldest to the newest?

Question 2, shown as an image

A Bohr, Rutherford, Thomson

B Rutherford, Bohr, Thomson

C Thomson, Bohr, Rutherford

D Thomson, Rutherford, Bohr

Question 2, shown as an image
[1]
Reveal mark scheme Mark scheme for question 2

Physics Paper 5 June 2023 Foundation tier, Question 9, also on the Higher paper 1 mark

Which new feature of the atomic model did Niels Bohr suggest?

A Electrons are in stable shells.

B Electrons orbit a nucleus.

C The atom has a nucleus.

D The nucleus is positive.

Question 9, shown as an image
[1]
Reveal mark scheme Mark scheme for question 9

Physics Paper 11 June 2023 Higher tier, Question 1, also on the Foundation paper 1 mark

Which new feature of the atomic model did Niels Bohr suggest?

A Electrons are in stable shells.

B Electrons orbit a nucleus.

C The atom has a nucleus.

D The nucleus is positive.

Question 1, shown as an image
[1]
Reveal mark scheme Mark scheme for question 1

Physics Paper 5 November 2021 Foundation tier, Question 16 12 marks

(a)
Figure for question 16
(a)(i)

Place the events in the order they occurred.

Write the numbers in the boxes below. One has been done for you.

Figure for question 16
[2]
Reveal mark scheme Mark scheme for question 16(a)(i)
(a)(ii)

The events were peer reviewed and communicated to others.

Suggest why both are important in science.

[2]
Reveal mark scheme Mark scheme for question 16(a)(ii)
(b)

Table 16.1 gives the density of different materials.

Figure for question 16
(b)(i)

Describe any trends in the data in Table 16.1.

[2]
Reveal mark scheme Mark scheme for question 16(b)(i)
(b)(ii)

Explain the difference in density between solids and liquids.

You may draw diagrams to help your answer.

[2]
Reveal mark scheme Mark scheme for question 16(b)(ii)
(c)

Table 16.2 gives some information about ethanol and water.

Figure for question 16
(c)(i)

The specific latent heat of vaporisation is the energy transferred when 1 kg of a substance changes from liquid to gas.

Calculate the amount of energy needed to evaporate 0.2 kg of ethanol.

Use Table 16.2 and an equation from the Data Sheet to help you.

[2]
Reveal mark scheme Mark scheme for question 16(c)(i)
(c)(ii)

The energy needed to heat 1 kg of water by 1 °C is 4200 J.

The energy needed to evaporate 1 kg of water is 2 256 000 J.

This is much more than 4200 J. Explain why.

[2]
Reveal mark scheme Mark scheme for question 16(c)(ii)

Physics Paper 11 November 2021 Higher tier, Question 11 12 marks

(a)
Figure for question 11
(a)(i)

Place the events in the order they occurred.

Write the numbers in the boxes below. One has been done for you.

Figure for question 11
[2]
Reveal mark scheme Mark scheme for question 11(a)(i)
(a)(ii)

The events were peer reviewed and communicated to others.

Suggest why both are important in science.

[2]
Reveal mark scheme Mark scheme for question 11(a)(ii)
(b)

Table 11.1 gives the density of different materials.

Figure for question 11
(b)(i)

Describe any trends in the data in Table 11.1.

[2]
Reveal mark scheme Mark scheme for question 11(b)(i)
(b)(ii)

Explain the difference in density between solids and liquids.

You may draw diagrams to help your answer.

[2]
Reveal mark scheme Mark scheme for question 11(b)(ii)
(c)

Table 11.2 gives some information about ethanol and water.

Figure for question 11
(c)(i)

The specific latent heat of vaporisation is the energy transferred when 1 kg of a substance changes from liquid to gas.

Calculate the amount of energy needed to evaporate 0.2 kg of ethanol.

Use Table 11.2 and an equation from the Data Sheet to help you.

[2]
Reveal mark scheme Mark scheme for question 11(c)(i)
(c)(ii)

The energy needed to heat 1 kg of water by 1 °C is 4200 J.

The energy needed to evaporate 1 kg of water is 2 256 000 J.

This is much more than 4200 J. Explain why.

[2]
Reveal mark scheme Mark scheme for question 11(c)(ii)

Physics Paper 6 June 2019 Foundation tier, Question 13 11 marks

This question is about radioactive atoms.

(a)

Why are some atoms radioactive?

[1]
Reveal mark scheme Mark scheme for question 13(a)
(b)

Phosphorus-32 (3215P) gives out beta particles.

(b)(i)

Complete the equation for the beta decay........

Question 13, shown as an image
[2]
Reveal mark scheme Mark scheme for question 13(b)(i)
(b)(ii)

Phosphorus-32 only gives out beta particles.

Describe a simple experiment to show how this can be demonstrated in a laboratory.

You may include a diagram in your answer.

[4]
Reveal mark scheme Mark scheme for question 13(b)(ii)
(c)

Beta particles are one type of radioactive particle.

Name a different particle given out by radioactive atoms.

[1]
Reveal mark scheme Mark scheme for question 13(c)
(d)

Look at the diagram. It compares the model of the atom today with a model of the atom in 1902.

Figure for question 13

Model of the atom today
Model of the atom in 1902

(d)(i)

Describe two differences between the models in the diagram.

[2]
Reveal mark scheme Mark scheme for question 13(d)(i)
(d)(ii)

Explain why the model of the atom has changed over time.

[1]
Reveal mark scheme Mark scheme for question 13(d)(ii)

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