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Chemistry Examples

B

$B$

Step 1

Find the element

B

$B$ on the periodic table.

5	Atomic Number
B	Element Symbol
Boron	Element Name
10.81	Average Atomic Mass

Step 2

To find the number of electrons in

boron

$boron$ , first locate the element on the periodic table. Next, find the atomic number which is located above the element's symbol. Since

boron

$boron$ 's atomic number is

5

$5$ ,

B

$B$ has

5

$5$ electrons.

5

$5$ electrons

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⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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