Question

7. What is the valency of the underlined element or radical in each of the following compounds? (a) *P*H3
(b) H2*O*
c) *Fe*O
d) *Fe*2O3
e) Ca*CO3*
f) *Cu*Cl
g) *Cu*Cl2
h) *Cu*2O2​

Answer 1

Answer:

6C0⅔ and H2×O* IS the best answer