If Group 1 ions have a 1+ charge on them,what charge would you find on a Group 2 ion?

题目

If Group 1 ions have a 1+ charge on them,what charge would you find on a Group 2 ion?
本人海外学生党,这是化学题,答案最好是英文的

答案

If Group 1 ions have a 1+ charge on them, what charge would you find on a Group 2 ion? 如果阳离子带一单位正电荷,那么阴离子带什么电? Group 2 ions have a 1- charge on them. 阴离子会带一单位负电荷....