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Give the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by the element.
Mg
a. Mg2+: 1s22s22p63s2
b. Mg2+: 1s22s22p6
c. Mg2+: 1s22s22p63s23p2
d. Mg2+: 1s22s22p4
e. none of these
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