A-LevelChemistryChemical periodicity9701/12 · Oct/Nov 2023 · Q191 Mark

X and Y are atoms of different elements in Period 3 of the Periodic Table. Neither X nor Y is argon. X is a non-metal. X has a greater atomic radius than Y. Which statement is correct?

AX has more occupied electron shells than Y.

BX has more protons in each atom than Y.

CX has the same number of outer electrons in each atom as Y.

DY is a non-metal.

✓ Correct answer

D: Y is a non-metal.

Oracle Prep sorts past-paper questions by topic, so you can drill Chemical periodicity and see which topics are most likely to come up next.

Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 2, question 19.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content