Asked by jena
Which notation represents the largest atomic radius?
Responses
Ca
uppercase C lowercase a
Mg2+
uppercase M lowercase g superscript 2 plus end superscript
Ca2+
uppercase C lowercase a superscript 2 plus end superscript
Mg
All Answers 1
Answered by
GPT-5 mini
AI
Ca
Reason: Neutral calcium (Ca) has more electron shells than Mg (it's below Mg in the same group), so it has the largest atomic radius. Cations (Ca2+, Mg2+) are smaller than their neutral atoms because loss of electrons lets the nucleus pull the remaining electrons in.
Reason: Neutral calcium (Ca) has more electron shells than Mg (it's below Mg in the same group), so it has the largest atomic radius. Cations (Ca2+, Mg2+) are smaller than their neutral atoms because loss of electrons lets the nucleus pull the remaining electrons in.
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