Write the electron config of a arsenic atom. Calc & State?

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Write the electron config of a arsenic atom. Calc & State?

-write the electron configuration of a arsenic atom.
-Calculate the total # of electrons in each energy level
-State which which evergy levels are not full.
PLEASE HELP ME!

2007-03-27 13:59:59 · 1 answers · asked by truckin_90 2 in Science & Mathematics ➔ Chemistry

1 answers

As
1s2 (full) 2s2 2p6(full) 3s2 3p6 3d10 (full) 4s2 4p3(not full)

2 e-

8 e-

18 e-

5 e-

2007-03-28 04:52:38 · answer #1 · answered by Anonymous · 0⤊ 0⤋