hafnium

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Introduction References & Edit History Quick Facts & Related Topics

Images

Explore an interactive periodic table of the elements

For Students

hafnium summary

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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

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

German machine gunners occupy a trench during World War I.

Weapons of World War I

Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that

America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)

Battle of Puebla. Cinco de Mayo. General Porfirio Diaz leads Mexican cavalry to victory against the French lead by General Charles Lorencez at Puebla, Mexico April 2, 1867. Oil on canvas, 1902. May 5, 1862. General Ignacio Zaragoza

President Richard M. Nixon smiles and gives the victory sign as he boards the White House helicopter after his resignation on August 9, 1974 in Washington, D.C.

Timeline of the 1970s

Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet

10 Failed Doomsday Predictions

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

hafnium: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	Hf

Photos

See All Images and Interactives →

Topics

hafnium-180m zirconium chemical element transition metal hydrogen carbon sodium nitrogen sulfur phosphorus boron iodine fluorine zinc

Key People

Inside the body: From radioactive tracers to fluorescent proteins

Georg Charles von Hevesy

Hungarian-Swedish chemist

Quiz

Periodic Table of the elements concept image (chemistry)

Facts You Should Know: The Periodic Table Quiz

Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society

Science Quiz

Concept artwork on the periodic table of elements.

118 Names and Symbols of the Periodic Table Quiz