Lesson 4.1.1.4

4.1.1.4 Relative electrical charges of subatomic particles Quiz: AQA Chemistry, Unit 1

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.1.1.4, Relative electrical charges of subatomic particles: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 1: Atomic structure and the periodic table, written with Revision Ninja.

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The 20 questions

  1. What is the relative electrical charge of a proton?

    • 0
    • +2
    • -1
    • +1

  2. What is the relative electrical charge of a neutron?

    • +2
    • 0
    • +1
    • -1

  3. What is the relative electrical charge of an electron?

    • +1
    • 0
    • -2
    • -1

  4. In a neutral atom, how do electron and proton counts compare?

    • Electrons exceed protons
    • They are equal
    • They are random
    • Protons exceed electrons

  5. Why do atoms have zero overall electrical charge?

    • More protons than electrons
    • Only contain neutrons
    • No subatomic particles
    • Equal opposite charges

  6. What defines the atomic number of an element?

    • Number of electrons
    • Total mass
    • Number of neutrons
    • Number of protons

  7. All atoms of one element have the same number of:

    • Neutrons
    • Protons
    • Isotopes
    • Mass number

  8. What distinguishes atoms of different elements?

    • Neutron-electron ratio
    • Electron shell shape
    • Proton count
    • Total volume

  9. An atom has atomic number 9. How many protons does it have?

    • 10
    • 9
    • 18
    • 7

  10. An atom has atomic number 9 and no overall charge. How many electrons does it have?

    • 8
    • 10
    • 9
    • 0

  11. In the nuclear model, where are protons located?

    • Orbiting in shells
    • Outside the atom
    • In the nucleus
    • Spread evenly throughout

  12. An ion of an element has 11 protons and 10 electrons. What is its overall charge?

    • -1
    • +2
    • +1
    • 0

  13. An atom has 8 protons and 10 electrons. What is its overall charge?

    • -1
    • +2
    • 0
    • -2

  14. Which particle would you expect to find in greater number than protons in an atom of an ion with charge -1?

    • Protons
    • Electrons
    • Nuclear particles only
    • Neutrons only

  15. Which particles are found inside the atomic nucleus?

    • Electrons and neutrons
    • Protons and electrons
    • Neutrons only
    • Protons and neutrons

  16. What term describes atoms with identical protons but different neutrons?

    • Ions
    • Isotopes
    • Isomers
    • Allotropes

  17. How many electrons are in a neutral atom containing 6 protons?

    • 6 electrons
    • 3 electrons
    • 12 electrons
    • 0 electrons

  18. What relative charge does a proton have in an atom?

    • +2
    • -1
    • +1
    • 0

  19. How many protons are in a neutral atom with atomic number 17?

    • 34
    • 17
    • 18
    • 35

  20. Which combination describes the nucleus of a sodium atom with atomic number 11?

    • 11 protons
    • 11 electrons
    • 11 neutrons
    • 22 protons

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