Question

why does silicon have valency 4 and chlorine 1?​

Answer 1

Answer:

silicon has valency 4 because it has 4 electron in its valance orbit so it sharing 4 electron with other so...

chlorine has valency 1 because it required 1 electron to complete the fig of octet

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Answer 2

Answer:

hey mate!!! ur answer is here..

Explanation:

silicon has valency 4 b'coz silicon has atomic number 14 and when it is arranged in K,L,M shell the electronic configuration comes to be 2,8,4 and the element having the number of electrons in its last shell it becomes its valency...

chlorine has valency 1 because the atomic no. of chlorine is 17 and its electronic configuration is 2,8,7 but the last shell has 7 electrons and it needs only 1 electron to get stable so therefore its valency comes to be 1...

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