Chapter 8, Problem 18PEA

(a)

To determine

Periodic table family number of ${\text{Br}}^{-}$ .

(b)

To determine

Periodic table family number of ${\text{K}}^{+}$

(c)

To determine

Periodic table family number of ${\text{Al}}^{3+}$

(d)

To determine

Periodic table family number of ${\text{S}}^{2-}$

(e)

To determine

Periodic table family number of ${\text{Ba}}^{2+}$

(f)

To determine

Periodic table family number of ${\text{O}}^{2-}$