Химия Примеры

$Z n$

Step 1

Find the element $Zn$ on the periodic table.

30	Atomic Number
Zn	Element Symbol
Zinc	Element Name
65.39	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.

$30$

Введите СВОЮ задачу

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