Chemistry Examples

$C l$

Step 1

Find the element $Cl$ on the periodic table.

17	Atomic Number
Cl	Element Symbol
Chlorine	Element Name
35.45	Average Atomic Mass

Step 2

Find the atomic number which is located above the element's symbol. This number is equal to the number of protons and the number of electrons in the atom.

$17$

Enter YOUR Problem

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$