IGCSE Co-ordinated Sciences (9–1) 0973 · Chemistry · 89

0654.C8.3.01 — Describe the Group VII halogens, chlorine, bromine and iodine, as diatomic non-metals with general trends down the group, limited to: (a). i: past paper questions

7 real questionsasked in 3 of the last 10 exam series2019–2025usually: State, Explain

Real questions on 0654.c8.3.01 — describe the group vii halogens, chlorine, bromine and iodine, as diatomic non-metals with general trends down the group, limited to: (a). i

The newest 7 of 7 written questions. Open one to see it on the real paper.

0973/31 · October/November 2025 · Q5b(vi)[1]
the most reactive halogen. Question 6 starts on the next page.
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0973/31 · October/November 2024 · Q2a(ii)[1]
an element that bleaches damp litmus paper
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0973/31 · May/June 2022 · Q8a(i)[1]
One of the gases in Table 8.1 has molecules with the formula Cl 2 . State the name of this gas.
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0973/32 · May/June 2022 · Q8a(ii)[1]
Halogen molecules are diatomic. State the formula of a molecule of bromine.
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0973/32 · May/June 2022 · Q8a(iii)[1]
State the group number of the halogens in the Periodic Table.
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0973/31 · May/June 2020 · Q5c[2]
Select one element from Fig. 5.1 that is used to treat water to make it safe to drink. Explain how it does this. element explanation
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0973/41 · October/November 2019 · Q11a(ii)[1]
Explain why the relative molecular mass of fluorine is 38. [A r : F,19]
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In the syllabus

89 0654.C8.3.01 — Describe the Group VII halogens, chlorine, bromine and iodine, as diatomic non-metals with general trends down the group, limited to: (a). i

Describe the Group VII halogens, chlorine, bromine and iodine, as diatomic non-metals with general trends down the group, limited to: (a). increasing density (b). decreasing reactivity
State the appearance of the halogens at room temperature and pressure, r.t.p., as: (a). chlorine, a pale yellow-green gas (b). bromine, a red-brown liquid (c). iodine, a grey-black solid
Describe and explain the displacement reactions of halogens with other halide ions
Predict the properties of other elements in Group VII, given information about the elements

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