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24-12-2016
Chemistry

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What is the position of an element in the periodic table if its electron configuration is 1sÆ 2sÆ 2pÒ 3sÆ 3p¢?

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scme1702 scme1702

25-12-2016

1s², 2s². 2p⁶, 3s², 3p⁵

The total electrons are 17
This means the number of protons is 17
The element with proton number 17 is Chlorine

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