Refer to the periodic table and write the predicted electron configuration for each of the following positive

Question:

Refer to the periodic table and write the predicted electron configuration for each of the following positive ions using core notation.

(a) Mg2+ 

(b) K+

(c) Fe2+ 

(d) Zr2+.

Periodic Table:

2 3 4 10 6 3 7 11 Li 6.94 1 IA Na 22.99 19 37 5 Rb K 39.10 al 55 4 87 2 IIA Fr (223) Be 9.01 12 Mg 24.31 Sr

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