O-LevelChemistryAtomic Structure5070/12 · 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.
Practise more questions on this topic
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.
Sign up free →