what is the orbital box diagram and electron configuration for these ions?

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what is the orbital box diagram and electron configuration for these ions?

i dont know how to do ions

Mg2+
K+
Cl-

and try to explain to me how you got the answers
O2-

2007-09-22 12:24:47 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

Mg2+: 1s2 2s2 2p6 3s0

K+: 1s2 2s2 2p6 3s2 3p6 4s0

Cl-: 1s2 2s2 2p6 3s2 3p6

Mg2+ is missing the two electrons in 3s. K+ is missing the electron in 4s. Cl- has an extra electron in 3p.

2007-09-22 13:20:01 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋

browse in some related educational websites

2016-05-21 01:51:18 · answer #2 · answered by ? 3 · 0⤊ 1⤋