A-LevelChemistryAtomic structure9701/12 · Oct/Nov 2014 · Q311 Mark

Use of the Data Booklet is relevant to this question. Which ions contain one or more unpaired electrons? 1 Cu²⁺ 2 Mn³⁺ 3 V³⁺

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

A: 1, 2 and 3 are correct

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

Topic: Atomic structure, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2014 Paper 1 Variant 2, question 31.

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

Use of the Data Booklet is relevant to this question. What could be the proton number of an element that has three un…

Helium, He, is the second element in the Periodic Table. Tritium is the isotope of hydrogen ³H. What is the same in a…

In which species are the numbers of protons, neutrons and electrons all different?

What can be seen when a piece of magnesium ribbon is placed in cold water?

Use of the Data Booklet is relevant to this question. Sodium and sulfur react together to form sodium sulfide, Na2S. …

Which substance does not produce a poisonous gas, when burnt in a limited amount of air?