AQA GCSE Combined Science Chemistry – Paper 1 Higher Tier Predicted Paper may 2023 attached with marking scheme

GCSE Combined Science
AQA
Chemistry – Paper 1
Higher Tier
Predicted Paper 2023


Name ……………………………………………………………………
Date …………………


1 hour 15 minutes allowed.
You may use a calculator and an AQA periodic table.




Grade boundaries Possible Marks
Question
marks gained
These are VERY rough guesses! Getting a 1 11
7 on this paper does not guarantee you 2 12
the same mark in the exam. 3 7
4 19
5 9
 9-9 70% 6 12
Total 70
 8-8 60%
 7-7 50%
 6-6 45%
 5-5 35%
 4-4 30%




1

,01 Atoms are made up from subatomic particles; electrons, neutrons
and protons.


a) Describe the structure of the atom, stating the location of each
of the subatomic particles.
[3 marks]




b) The model of the atom has changed over time as new
experimental evidence arises.
State the order in which the subatomic particles were discovered.

[2 marks]




c) State who suggested the location of electrons.
[1 mark]




d) State who discovered neutrons.
[1 mark]




2

, e) Rutherford wanted to study the plum pudding model of the atom,
by running an alpha scattering experiment.
Describe what Rutherford found and explain how this changed the
model of the atom.
[4 marks]




3