iodine's noble gas notation?

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iodine's noble gas notation?

2007-01-06 16:37:48 · 1 answers · asked by Hardik R 1 in Science & Mathematics ➔ Chemistry

1 answers

You find the noble gas that comes just before Iodine on the periodic table. That is Krypton (number 36)

That means that you start with [Kr] which gives you 36 e- already. Iodine is element #53 and is in period 5 of the table. Begin with 5s and keep going from 36 until you reach 53 e-.

[Kr] 5s-2, 4d-10, 5d-5 = 53 e-

2007-01-06 19:20:20 · answer #1 · answered by physandchemteach 7 · 1⤊ 0⤋

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1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2. 4d10 , 5p6 [Kr] 5s2, 4d10 , 5p5

2016-04-07 07:59:01 · answer #2 · answered by Anonymous · 0⤊ 0⤋