Chemistryhard · Past Paper
Which of the following ions is isoelectronic with Neon?
ANa+
BMg2+
CO2-
DAll of the above
✓ Correct Answer: D — All of the above
Sodium ion (11-1=10), Magnesium ion (12-2=10), and Oxide ion (8+2=10) all have 10 electrons like Neon.
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