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IGCSE Co-ordinated Sciences (9–1) 0973 · Chemistry · 9

0654.C2.2.02 — State the relative charges and relative masses of a proton, a neutron and an electron: past paper questions

6 real questionsasked in 4 of the last 10 exam series2022–2025usually: State, Complete

Real questions on 0654.c2.2.02 — state the relative charges and relative masses of a proton, a neutron and an electron

The newest 6 of 6 written questions. Open one to see it on the real paper.

  1. 0973/31 · October/November 2025 · Q8a(i)[1]

    State the number of protons in this calcium ion. (i)

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  2. 0973/31 · October/November 2025 · Q8a(ii)[1]

    State the number of electrons the calcium atom loses when it becomes a calcium ion.

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  3. 0973/42 · May/June 2025 · Q5b[1]

    A carbon atom has 6 neutrons. mass number = State the mass number of this carbon atom.

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  4. 0973/32 · May/June 2024 · Q2b[3]

    Atoms contain protons, neutrons and electrons. State which of these particles: are in shells around the nucleus have a positive charge have the smallest mass.

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  5. 0973/31 · May/June 2022 · Q11a(iv)[2]

    Complete Table 11.1 to show the charges and approximate relative masses of an electron and a neutron. Table 11.1 particle charge relative mass +1 1 proton electron neutron

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  6. 0973/42 · May/June 2022 · Q5a[2]

    Table 5.1 shows some information about particles found in atoms. Complete Table 5.1. Table 5.1 particle electron proton relative mass charge +

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What examiners said

Many candidates gave the mass number of 12. The most common incorrect number given was 6.

— Examiner report, May/June 2025, 0973/42 Q5(b) (Cambridge)

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0654.C2.2.02 — State the relative charges and relative masses of a proton, a neutron and an electron — IGCSE Co-ordinated Sciences (9–1) 0973 past paper questions | AssessPro