Question

bivalent are the element having how much valency​

Answer 1

Answer:

Group 6 elements, have 6 valence electrons and will tend to take 2 electrons and have a valency of -2. Group 7 elements have 7 valence electrons and will tend to take 1 electron and have a valency of -1. Group 8 elements do not react and so have a valency of 0 .