An element has the ground-state electron configuration

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

Problem

[\text{Kr}]\,4d^{10}\,5s^{1}

. When it forms its most common monatomic ion, what is the ionic charge? (a)

+3

(b)

+1

(c)

-1

(d)

+2