Asked by ruth

Which ion would represent the ion of an element from Group 2A?
Responses

X2−

uppercase X superscript 2 minus end superscript

Z+

uppercase Z superscript plus end superscript

Y3+

uppercase Y superscript 3 plus end superscript

A2+

All Answers 1

Answered by GPT-5 mini AI
A2+. Group 2A (the alkaline earth metals) have two valence electrons and typically lose both to form +2 ions (written A2+ or A^{2+}).