Chemistry, asked by anuska51, 1 year ago

why do some elements have variable valency

Answers

Answered by smartyprince
18
The reason behind Why they lose this extra electron is purely a matter of the specific element, what electron shell they are losing/gaining electrons in, and their relative energies to the previous/ next electron shell. Also their ability to share electrons between these shells
Answered by sanjayvijay
13

Answer:

All the element have tendency to complete the octates number of electrons which are present in outermost shell may absorb energy and jump into the higher energy levels shells . Due to with their valency not remain the same and these elements exhibit variable valency.

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