Chemistry, 08.10.2021 05:40 marcgotbox

Use the periodic table to determine the electron configuration for Br and Y in noble-gas notation. Br:

[He]2s22p63s23p5

[Ne]3s23p4

[Ar]4s24p5

[Ne]3s23p5

Y:

[Xe]5s25d1

[Kr]5s24d1

[Kr]5s24d2

[Ar]4s23d104p65s25d1

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Use the periodic table to determine the electron configuration for Br and Y in noble-gas notation....