Period Number of Chlorine ☢️ (Cl) rev. 2022 ☢️ (& Location, Uses …

All atoms have a period number assigned, even Chlorine. Ok but how do we know what is the period name for an atom of Cl?

If we know the symbol, let's say Cl, we may then open any periodic table and search for Chlorine. Any decent periodic table should have the period numbers when you scroll left starting from the element you found.

In the case of Chlorine the period number is 3. There is a lot of cool stuff about Chlorine that people simply don't know. Let me show you...

Chlorine Overview

Cl Period Number

3 (Period Number)
17 (Group Number)

Atomic Number

17

Learn more about the atomic number.

Atomic Mass

35,4527

Learn more about the atomic mass.

Discovery

Discovered By: Carl Wilhelm Scheele
Year: 1774
Location: Sweden

State at 20 °C

gas

Description

Greenish-yellow, disagreeable gas. Never found in free form in nature.

Atomic Symbol

Cl

Name Origin

Greek: chlôros (greenish yellow).

Sources

Salt (sodium chloride, NaCl) is its most common compound. Commercial quantities are produced by electrolysis of aqueous sodium chloride (seawater or brine from salt mines).

Uses

Used in water purification, bleaches, acids and many, many other compounds such as chlorofluorocarbons (CFC).

Want to learn more details and data about Chlorine (Cl)? Check my Elements Comprehensive List.

Video

Are you having trouble understanding the basics of atomic elements? This video will walk you through:

• What is an element
• What is a substance
• What Elements look like
• How a small number of atoms can be joined and form completely different substances

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 Chlorine period number and all the other atomic 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]

Citation

When you need to include a fact or piece of information in an assignment or essay you should also include where and how you found that piece of information.

That gives credibility to your paper and it is sometimes required in higher education.

To make your life (and citation) easier just copy & paste the information below into your assignment or essay:

Luz, Gelson. "Period Number of Chlorine (Cl) (& Location, Uses ..." Materials. Gelsonluz.com. dd mmmm. yyyy. <URL>

Now replace dd, mmmm and yyyy with the day, month, and year you browsed this page. Also replace URL for the actual url of this page (The < and > stay, ok?). This citation format is based on MLA.