Химия Примеры

$M g$

Step 1

Find the element $Mg$ on the periodic table.

12	Atomic Number
Mg	Element Symbol
Magnesium	Element Name
24.31	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.

$12$

Введите СВОЮ задачу

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