AQA GCSE COMBINED SCIENCE: SYNERGY Higher Tier Paper 3 Physical Sciences June 2023

AQA

GCSE
COMBINED SCIENCE: SYNERGY
Higher Tier Paper 3 Physical Sciences

June 2023

, 2
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0 1 This question is about metals.

Figure 1 represents the electronic structure of an atom.


Figure 1




0 1 . 1 Identify the metal represented in Figure 1.

Use the periodic table.
[1 mark]




0 1 . 2 How does the atom in Figure 1 form a positive ion?
[1 mark]




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, 3
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Copper is too soft for some uses.

Copper can be mixed with other metals to make a mixture that is harder
than copper.


0 1 . 3 Name the type of mixture formed when copper is mixed with other metals.
[1 mark]




0 1 . 4 Figure 2 shows the percentage (%) by mass of three metals in a mixture.

Figure 2



60

50

Percentage 40
(%) by mass
of metal in
mixture 30

20

10

0
Copper Zinc Tin

Metal

Determine the mass of copper in 20 g of the mixture.
[3 marks]




Mass of copper = g

Question 1 continues on the next page

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Figure 3 represents pure copper and a mixture of copper and metal X.


Figure 3


Pure copper
Mixture of copper and metal X




Atom of
metal X



Copper atom




0 1 . 5 Explain why the mixture of copper and metal X is harder than pure copper.
[3 marks]




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