Chemistry Examples

$C u$

Step 1

Find the element $Cu$ on the periodic table.

29	Atomic Number
Cu	Element Symbol
Copper	Element Name
63.55	Average Atomic Mass

Step 2

To find the number of electrons in $copper$ , first locate the element on the periodic table. Next, find the atomic number which is located above the element's symbol. Since $copper$ 's atomic number is $29$ , $Cu$ has $29$ electrons.

$29$ electrons