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

Question:

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

(a) Br

(b) Te2

(c) As3

(d) O2.

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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