Question: From NCERT | NEET || [Difficult level:Easy] ||
In any period the valency of an element with respect to
oxygen
(a) Increases one by one from IA to VIIA
(b) Decreases one by one form IA to VIIA
(c) Increases one by one from IA to IVA and then
decreases from VA to VIIA one by one
(d) Decreases one by one from IA to IVA and then
increases from VA to VIIA one by one_
:(c) Increases one by one from IA to IVA and then
decreases from VA to VIIA one by one ........