State the electronic configuration of Si and justify its placement in period 3

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asked Jul 23, 2023 48.9k views

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Tom Breloff · Answer 1 · 2023-07-29T18:38:58+0000

Answer:

The second period starts with Lithium and Beryllium which have 3 and 4 electrons and hence the last electrons enter the level 2s and they have an electronic configuration of 1s22s1 and 1s22s2

State the electronic configuration of Si and justify its placement in period 3

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