0654.C2.2.05 — Determine the electronic configuration of elements with proton number 1 to 20, e.g. 2,8,3: past paper questions
Real questions on 0654.c2.2.05 — determine the electronic configuration of elements with proton number 1 to 20, e.g. 2,8,3
The newest 12 of 12 written questions. Open one to see it on the real paper.
- 0973/31 · May/June 2026 · Q5d(ii)[1]
(ii) State the number of electrons in the outer shell of a calcium atom. number electrons .......... [1]
See it on the paper → - 0973/42 · May/June 2026 · Q6d[1]
Amagnesium atom has an atomic number of 12 and a mass number of 24. Complete Figure 6.2 to show the electronic configuration of a magnesium atom. Figure 6.2
See it on the paper → - 0973/41 · May/June 2025 · Q6b[1]
Fig. 6.2 shows an outline of the Periodic Table. The letter E shows the position of an element in the Periodic Table. The letter E is not the chemical symbol of the element. E Fig. 6.2 Predict the electronic configuration of element E. Tick (3) one box. 2.2 2.8.2 2.3 2.8.3
See it on the paper → - 0973/32 · May/June 2024 · Q8d(i)[1]
Deduce the electronic structure for a sodium ion.
See it on the paper → - 0973/32 · May/June 2024 · Q8d(ii)[1]
Deduce the electronic structure for a chloride ion.
See it on the paper → - 0973/41 · May/June 2023 · Q5a(ii)[1]
State the electronic structure of a lithium atom.
See it on the paper → - 0973/42 · May/June 2023 · Q8c[1]
An element is in Group II and Period 3 of the Periodic Table. Predict the electronic structure of this element. Tick (3) one box. 2.3 2.2.3 2.8.2 2.8.3
See it on the paper → - 0973/31 · October/November 2022 · Q11c[2]
When sodium reacts with chlorine, sodium atoms become sodium ions and chlorine atoms become chloride ions. The electron configuration of a sodium atom is 2.8.1. The electron configuration of a chlorine atom is 2.8.7. State the electron configuration of a sodium ion and a chloride ion. sodium ion chloride ion
See it on the paper → - 0973/31 · May/June 2022 · Q11a(i)[1]
State the electronic structure of a potassium atom.
See it on the paper → - 0973/41 · May/June 2022 · Q8a[2]
Complete Table 8.1.
See it on the paper → - 0973/42 · May/June 2022 · Q5c[2]
Table 5.2 gives some information about three halogens. Complete Table 5.2. Table 5.2 halogen atomic number fluorine 9 chlorine 17 electronic structure 2.8.7
See it on the paper → - 0973/32 · May/June 2021 · Q5b[2]
Potassium has a proton number of 19. Complete Fig. 5.2 to show the electronic structure of a potassium atom. The inner shell electrons have been drawn for you. Fig. 5.2
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What examiners said
The majority of candidates selected the correct electron configuration of element E.
— Examiner report, May/June 2025, 0973/41 Q6(b) (Cambridge)
Some candidates misunderstood the term electron structure. Where it was understood, this question was answered well.
— Examiner report, May/June 2023, 0973/41 Q5(a)(ii) (Cambridge)
Most candidates did not know what electronic structure meant. Popular incorrect answers were 19, 39 and one outer shell electron.
— Examiner report, May/June 2022, 0973/31 Q11(a)(i) (Cambridge)
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