Chemistry Examples

$S e$

Step 1

Find the element $Se$ on the periodic table.

34	Atomic Number
Se	Element Symbol
Selenium	Element Name
78.96	Average Atomic Mass

Step 2

To find the number of protons in $selenium$ , first locate the element on the periodic table. Next, find the atomic number which is located above the element's symbol. Since $selenium$ 's atomic number is $34$ , $Se$ has $34$ protons.

$34$ protons