""they have done,in which substance the valency comes to "5",they are deducting the number from "8" and the valency becomes "3".""
who is 'they ' here ???
in periodic table,to find out the valency of "substance hydride",they have done,in which substance the valency comes to "5",they are deducting the number from "8" and the valency becomes "3".
my question is "is this rule can be applicable in like-(chloride,bromide,iodide etc).
""they have done,in which substance the valency comes to "5",they are deducting the number from "8" and the valency becomes "3".""
who is 'they ' here ???