Chemistry Examples

$H e$

Step 1

Find the element $He$ on the periodic table.

Step 2

Find the atomic mass which is located near the element's symbol. This number represents the number of grams in one mole of the element.

$4$

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