O-LevelChemistryAtomic Structure5070/11 · May/June 2016 · Q51 Mark

The symbols for two ions are shown. ¹⁹F⁻ ²¹Na⁺ Which statement is correct?

AThe fluoride ion contains more electrons than the sodium ion.

BThe sodium ion contains more neutrons than the fluoride ion.

CThe two ions contain the same number of electrons as each other.

DThe two ions contain the same number of protons as each other.

✓ Correct answer

C: The two ions contain the same number of electrons as each other.

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, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2016 Paper 1 Variant 1, question 5.

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