When an element from Group 2 of the periodic table forms a stable monatomic ion

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

When an element from Group 2 of the periodic table forms a stable monatomic ion, what is the most common charge on that ion? (a) −2-2 (b) +2+2 (c) +1+1 (d) −1-1

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