Maharashtra State BoardHSC Science (General) 11th
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The electronic configuration of some element is given below: 1s2 2s2 2p6 In which group and period of the periodic table the element is placed? - Chemistry

Short Note

Answer the following question.

The electronic configuration of some element is given below:

1s2 2s2 2p6

In which group and period of the periodic table the element is placed?

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Solution

1s2 2s2 2p6

Here n = 2. Therefore, the element belongs to the 2nd period.

The outer electronic configuration 2s2 2p6 corresponds to the complete octet. Therefore, the element is placed in the 2nd period of group 18 in the modern periodic table.

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APPEARS IN

Balbharati Chemistry 11th Standard Maharashtra State Board
Chapter 7 Modern Periodic Table
Exercises | Q 5. (A)(b) | Page 109
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