AQA GCSE COMBINED SCIENCE: TRILOGY
CHEMISTRY PAPER 1 — FOUNDATION
Original Practice Question Paper
Topics: Atomic structure & the periodic table • Bonding, structure & properties • Quantitative chemistry
• Chemical changes • Energy changes
Time allowed: 1 hour 15 minutes
Total marks: 70
This is an independently written practice paper inspired by the AQA GCSE Combined Science: Trilogy Paper 1 specification. It is
not an official AQA paper.
,Candidate Information
• Answer all questions.
• Use a calculator where appropriate.
• Show working for calculations.
• The paper contains multiple-choice, short-answer and calculation questions.
• Write your answers clearly in the spaces provided.
Specification alignment
AQA Combined Science: Trilogy Chemistry Paper 1 assesses topics 8–12: atomic structure and the periodic
table; bonding, structure and properties of matter; quantitative chemistry; chemical changes; and energy
changes. The official paper is 1 hour 15 minutes and 70 marks. ■cite■turn0search2■
Data and formulae
Relative atomic masses are not required to be memorised for this practice paper. Where needed, values are
provided in the question. Show units in numerical answers.
Answer boxes
Use the space after each question for your answer. If you need additional space, continue on the final page
and clearly identify the question number.
, Question 1 — Atomic structure [4 marks]
1.1 Which particle has a relative charge of −1? A proton B neutron C electron D nucleus [1]
1.2 State the relative charge of a proton. [1]
1.3 An atom has 11 protons and 12 neutrons. Calculate its mass number. [1]
1.4 Explain why an atom has no overall electrical charge. [1]
________________________________________________________________________________
CHEMISTRY PAPER 1 — FOUNDATION
Original Practice Question Paper
Topics: Atomic structure & the periodic table • Bonding, structure & properties • Quantitative chemistry
• Chemical changes • Energy changes
Time allowed: 1 hour 15 minutes
Total marks: 70
This is an independently written practice paper inspired by the AQA GCSE Combined Science: Trilogy Paper 1 specification. It is
not an official AQA paper.
,Candidate Information
• Answer all questions.
• Use a calculator where appropriate.
• Show working for calculations.
• The paper contains multiple-choice, short-answer and calculation questions.
• Write your answers clearly in the spaces provided.
Specification alignment
AQA Combined Science: Trilogy Chemistry Paper 1 assesses topics 8–12: atomic structure and the periodic
table; bonding, structure and properties of matter; quantitative chemistry; chemical changes; and energy
changes. The official paper is 1 hour 15 minutes and 70 marks. ■cite■turn0search2■
Data and formulae
Relative atomic masses are not required to be memorised for this practice paper. Where needed, values are
provided in the question. Show units in numerical answers.
Answer boxes
Use the space after each question for your answer. If you need additional space, continue on the final page
and clearly identify the question number.
, Question 1 — Atomic structure [4 marks]
1.1 Which particle has a relative charge of −1? A proton B neutron C electron D nucleus [1]
1.2 State the relative charge of a proton. [1]
1.3 An atom has 11 protons and 12 neutrons. Calculate its mass number. [1]
1.4 Explain why an atom has no overall electrical charge. [1]
________________________________________________________________________________
