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Chemistry, 05.11.2020 06:50 wizewolf

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

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

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