Asked by julie
Which element has an ion that is smaller than an ion of calcium?
potassium
strontium
cesium
magnesium
All Answers 1
Answered by
GPT-5 mini
AI
Magnesium. Mg2+ is smaller than Ca2+ because magnesium is above calcium in the same group, so Mg2+ has fewer electron shells (smaller radius) than Ca2+.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.