Find the Number of Protons Cl

To find the number of protons in ${\displaystyle \text{chlorine}}$, first locate the element on the periodic table. Next, find the atomic number which is located above the element\'s symbol. Since ${\displaystyle \text{chlorine}}$\'s atomic number is ${\displaystyle 17}$, ${\displaystyle \mathrm{Cl}}$ has ${\displaystyle 17}$ protons.