fluorine

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A dentist holds a glass of water while a child with an exaggerated smile reclines in a dental chair. The water glass is circled and blue arrows point to it.

Explore an interactive periodic table of the elements

For Students

fluorine summary

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Drinking water is poured into a glass.

Water Fluoridation: Just the Facts

Highway Night Traffic Portland, drive, driving, car, automobile.

What's the Difference Between Speed and Velocity?

Chemical equations Chemical reactions chemistry

How Do You Balance a Chemical Equation?

Illustration of molecules. (molecular, chemistry, science)

Why Is a Group of Molecules Called a Mole?

Above the clouds 130 nautical miles below, astronaut Mark C. Lee floats freely without tethers as he tests the new Simplified Aid for Extravehicular Activity (EVA) Spacewalk Rescue (SAFER) system, Sept. 16, 1994. Space Shuttle Discovery, STS-64

Gravity: From Apples to the Universe

Discover

Nazi Germany, Nazi SS troops marching with victory standards at the Party Day rally in Nuremberg, Germany, 1933. (Schutzstaffel, Nazi Party, Nurnberg)

Why Was Nazi Germany Called the Third Reich?

Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

6 Wars of Independence

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

pg 229Nazi parade features a banner proclaiming, "Death to Marxism."The possibility of a peaceful Germany after World War I was precluded entirely by the terms of the Versailles Treaty and theintransigent hostility of France and England. Stripped of indu

Were the Nazis Socialists?

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

fluorine: Media

chemical element

Videos

A dentist holds a glass of water while a child with an exaggerated smile reclines in a dental chair. The water glass is circled and blue arrows point to it.

Why do we add fluoride to our drinking water?

When fluoride goes up, tooth decay goes down.

Video: Encyclopædia Britannica, Inc.

Images

fluorine

fluorine

Properties of fluorine.

Encyclopædia Britannica, Inc.

Interactives

Explore an interactive periodic table of the elements

Explore an interactive periodic table of the elements

Periodic table of the elements.

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: