Question

What is the information given the chemical formula ${\mathrm{MgCl}}_2$?

Answer 1

• Molecular formula: molecular formula of a compound is the symbolic representation of the one molecule of a compound which shows the number of atom of each element that is present in it.
• For example ${\mathrm{H}}_2\mathrm{O}$(water) molecule represents that water is made up of 2 atoms of hydrogen element and one atom of oxygen.
• ${\mathrm{MgCl}}_2$(magnesium chloride) it indicates that magnesium chloride is made up of one atom of magnesium and 2 atoms of chloride ions.