Science, asked by KRITIYan9ad0, 1 year ago

an element X belongs to group 17 and third period of the periodic table: 1)write its electronic configuration.what is its valency? 2)give d formula of compound formed when it combines with element Y having valency 3.

Answers

Answered by Anonymous
5
1) Electronic configuration ( Cl ) - 1S2 2S2 2P6 3S2 3P6
    Valence of Chlorine - 7.

2) The Compound Would be YX3 - YCl3.
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