Question

3. If Z=7 what would be the valency of the element.Name the element and write its electronic
configuration​

Answer 1

Answer:

There are 5 electrons in the outermost orbit. So, in order to complete its octet the atom will have to gain 3 electrons. Therefore, the valency of the atom is 3.

Answer 2

Answer:

There are 5 electrons in the outermost orbit. So, in order to complete its octet the atom will have to gain 3 electrons. Therefore, the valency of the atom is 3. Given element is nitrogen.