2025 AQA GCSE CHEMISTRY Higher Tier Paper 1 Question
Paper & Mark Scheme (Merged) June 2025 [VERIFIED]
IB/M/Jun25/G4007/E11 8462/1H
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0 1 This question is about elements in the periodic table.
0 1 . 1 Describe where the non-metallic elements are found in the periodic table.
[1 mark]
0 1 . 2 Gallium (Ga) is a metallic element in Group 3.
Which of these properties of gallium is not typical of most metals? Tick
[1 mark]
( ) one box.
A boiling point above 1000 °C
A melting point below 100 °C
Conducts electricity when solid
Forms positive ions
IB/M/Jun25/8462/1H
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outside the
0 1 . 3 A sodium atom can be represented as 2311Na box
Complete Figure 1 to show the electronic structure of a sodium atom.
[1 mark]
Figure 1
0 1 . 4 Mendeleev created an early periodic table.
Mendeleev placed most of the elements in order of atomic weight.
Tellurium and iodine were not placed in order of atomic weight.
Why did Mendeleev not place tellurium and iodine in order of atomic weight?
[1 mark]
0 1 . 5 Argon is an element in Group 0 of the periodic table.
Explain why argon is unreactive.
[2 marks]
IB/M/Jun25/8462/1H
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Do not write
Turn over► outside the
IB/M/Jun25/8462/1H
Paper & Mark Scheme (Merged) June 2025 [VERIFIED]
IB/M/Jun25/G4007/E11 8462/1H
, 2
Do not write
outside the
box
0 1 This question is about elements in the periodic table.
0 1 . 1 Describe where the non-metallic elements are found in the periodic table.
[1 mark]
0 1 . 2 Gallium (Ga) is a metallic element in Group 3.
Which of these properties of gallium is not typical of most metals? Tick
[1 mark]
( ) one box.
A boiling point above 1000 °C
A melting point below 100 °C
Conducts electricity when solid
Forms positive ions
IB/M/Jun25/8462/1H
, 3
Do not write
outside the
0 1 . 3 A sodium atom can be represented as 2311Na box
Complete Figure 1 to show the electronic structure of a sodium atom.
[1 mark]
Figure 1
0 1 . 4 Mendeleev created an early periodic table.
Mendeleev placed most of the elements in order of atomic weight.
Tellurium and iodine were not placed in order of atomic weight.
Why did Mendeleev not place tellurium and iodine in order of atomic weight?
[1 mark]
0 1 . 5 Argon is an element in Group 0 of the periodic table.
Explain why argon is unreactive.
[2 marks]
IB/M/Jun25/8462/1H
, 4
Do not write
Turn over► outside the
IB/M/Jun25/8462/1H
