HatHigs HatHigs

18-09-2021
Chemistry

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PLEASE HELP!

e. Does beryllium (Be) or sodium (Na) have the same inside electron arrangement as magnesium (Mg)? Why?

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sutita11407 sutita11407

18-09-2021

I think not the same.

Because Ba= 2,8,18,18,8,2 whereas Na= 2,8,1 which Mg=2,8,2

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