Question

name one element with variable valency of 1+3 n+

Answer 1

gold hasthe valency of1 and3

Answer 2

ʜᴏʟᴀ ᴍᴀᴛᴇ !

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⭐ᴀɴsᴡᴇʀ⭐

Iron shows variable valency i.e. 2 and 3. Silver, sodium has valency of 1 . Zinc has valency of 2.