Find the Number of Protons Ca

To find the number of protons in ${\displaystyle \text{calcium}}$, first locate the element on the periodic table. Next, find the atomic number which is located above the element\'s symbol. Since ${\displaystyle \text{calcium}}$\'s atomic number is ${\displaystyle 20}$, ${\displaystyle \mathrm{Ca}}$ has ${\displaystyle 20}$ protons.