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O-LevelChemistryAtomic Structure5070/11 · May/June 2017 · Q41 Mark

Which statement about the particles 19F, 20Ne and 23Na+ is correct?

AThey all contain more electrons than protons.
BThey all contain more neutrons than protons.
CThey all contain the same number of electrons.
DThey all contain the same number of protons.

✓ Correct answer

C: They all contain the same number of electrons.

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About this question

Topic
Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2017 Paper 1 Variant 1, question 4.

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