Chemistry Examples

$H e$

Step 1

Find the element $He$ on the periodic table.

2	Atomic Number
He	Element Symbol
Helium	Element Name
4	Average Atomic Mass

Step 2

To find the number of protons in $helium$ , first locate the element on the periodic table. Next, find the atomic number which is located above the element's symbol. Since $helium$ 's atomic number is $2$ , $He$ has $2$ protons.

$2$ protons