Kimikoom5672 Kimikoom5672

13-12-2022
Chemistry

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Consider the two electron arrangements for neutral atoms a and b. What is the atomic number of a? a - 1s 2 , 2s 2 , 2p 6 , 3s 1 b - 1s 2 , 2s 2 , 2p 6 , 5s 1.

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