Atomic Number of Selenium (+ facts: Uses, Color and more...) 2022

Every atom has an atomic number, even Selenium. But what is an "Atomic Number"?

The atomic number of a chemical element is the number of protons found in the nucleus of the atom of that element.

Ok so I'll take you through some interesting facts and data about Selenium (That most people don't know).

Selenium Overview

Atomic Number

34

Learn more about the atomic number.

Atomic Symbol

Se (Selenium)

Description

Soft metalloid similar to sulfur. Ranges from gray metallic to red glassy appearance.

State at 20 °C

Solid

Sources

Obtained from lead, copper and nickel refining. Conducts electricity when struck by light.

Uses

Light causes it to conduct electricity more easily. It is used in photoelectric cells, TV cameras, xerography machines and as a semiconductor in solar batteries and rectifiers. Also colors glass red.

Discovery

Discovered By: Jöns Berzelius

Year: 1818

Location: Sweden

Name Origin

Greek: selênê (moon).

Atomic Mass

78,96

Learn more about the atomic mass.

Want to learn more details and data? Check my Elements Comprehensive List.

Colored Periodic Table

Need an editable periodic table to edit? Maybe add your school logo, work team or anything else to maker your paper look cool?

Along with basic atom / element information (like Selenium-Se atomic number and all the other atom data), it also comes with color coded info about: State (Gas, Liquid or Solid at room temperature), Groups/series details and much more...

How about an incentive to share this post? (You will help other colleagues find this blog)

Download and enjoy this complete and colored periodic table for you to edit and enjoy. It's in an editable excel format or .ods (open).
[lock][Download excel ##download##]
[Download open .ods format ##download##][/lock]