ICSE Class 9 Chemistry Question 5 of 22

Atomic Structure — Question 8

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Question 8

The following elements U to Z are given 3U, 6V, 9W, 14X, 18Y, 20Z

State the electronic configuration of each and state whether they are metals, non-metals or inert gases.

Answer
ElementElectronic configurationmetals, non-metals or inert gases
3U2,1Metal
6V2,4Non-metal [s]
9W2,7Non-metal [g]
14X2,8,4Metalloid
18Y2,8,8Inert gas
20Z2,8,8,2Metal