Question

what is variable valency?name two elements haveing variables valency and state there Valencia ​

Answer 1

Answer:

it is the answer of science you will get this ans from chapter metals please have a eye on that or if you didnt find so you can find the answer on google also or on doubtnut

Answer 2

ʜᴏʟᴀ ᴍᴀᴛᴇ !

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⭐ᴀɴsᴡᴇʀ⭐

Certain elements combine with other atoms, donating, accepting or sharing electrons in different proportions depending on the nature of the reaction. For example, iron combines with oxygen to form ferrous oxide as well as ferric oxide. This is termed variable valency.