Problem 22
The permanganate anion has the formula \(\mathrm{MnO}_{4}^{-}\). Propose formulas and names for the ionic compounds between the permanganate ion and \(\mathrm{K}^{+}, \mathrm{Ca}^{2+},\) and \(\mathrm{Fe}^{3+}\).
Problem 22
Give the name of the element. a) F b) Cl c) \(\mathrm{Br}\) d) I
Problem 22
What is the difference between \(\mathrm{NO}_{2}\) and \(\mathrm{NO}_{2}^{-}\) ?
