Question

name the two elements having velency (Short answer)​

Answer 1

Answer:

Silicon.

Carbon and Silicon have the Tetra valency (meaning they have the valency of 4). Due to this unique Features, they can have the Catenation Process. Catenation is the Process by with the carbon (or Si) forms long chain which may be straight or Branched.

Explanation:

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Answer 2

carbon and selicon are the two elements having velency