Question

PLEASE SOMEONE TELL ME.....(｡-_-｡)

How to learn all Valencies of different elements.....(╯︵╰,)

I didn't have any idea..... (╯_╰) If you have please tell me....

ANY TRICK ANY IDEAS

BUT DON'T SPAM..... (✖﹏✖)

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Answer 1

Answer:

Dekho yrr Pehle sare atomic number yaad karo Phir dekho kon sa inert gas kon se element se pass. Phir dekh ki kitna +ya - karega ko toh wo inert gas configuration ko attain karega....

I'm not a a good explainer but I tried my best..... :-)