Chemistry Examples

$C a$

Step 1

Find the element $Ca$ on the periodic table.

20	Atomic Number
Ca	Element Symbol
Calcium	Element Name
40.08	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.

$20$

Enter YOUR Problem

Mathway requires javascript and a modern browser.

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