Periodic Trends

AP Chemistry· difficulty 1/5

Group 2 elements (alkaline earth metals) typically form ions with charge

A
$+2$
check_circle
B
$-1$
C
$-2$
D
$+1$

Explanation

Alkaline earth metals lose 2 electrons (ns²) to form +2 cations (Mg²⁺, Ca²⁺, Ba²⁺).

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forward Predict my AP score

Related questions

auto_awesomeAll Tools question_answerHomework Q&A menu_bookAP & SAT Prep timelineLearn Mode