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Lanthanide Series (Rare Earth Elements)
Actinide Series (Radioactive Rare Earth Elements)
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.
Related content from HighBeam Research on: Periodic Table of the Elements (table)
Element addition.(PHYSICAL SCIENCE)(new element copernicium to be added to the periodic table)(Brief article) (SuperScience)
Name that element! Phew, this element stinks! Known for its sickening smell, it can chew through your clothes and eat away at the environment. Can you name that element? Grab a periodic table (flip the page) and follow these eight clues. Then test your "element IQ.".(Our Popular Mystery Returns!) (Science World)
Above (and beyond) the periodic table.(CHEMISTRY: PERIODIC TABLE)(excerpt from "The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements")(Excerpt) (Canadian Chemical News)
Periodic table. (Periodic Table of the Elements computer program) (Canadian Chemical News)
Name that element! which element on the periodic table makes ultra light tennis rackets, brews up decaf coffee, and is the most important element for life on Earth? Follow these eight clues to find out. Then turn the page to test your chem IQ.(Physical: chemistry) (Science World)
10{+-}{+1}{+5} seconds of fame; The periodic table.(An element disappears)(unstable element removed from Periodic Table)(Brief Article) (The Economist (US))
SETTING THE TABLE.(Periodic Table of the Elements)(Brief Article) (The Evening Standard (London, England))
Name that element! Which element makes ultralight tennis rackets possible, helps you fill in bubble tests, and is essential for life on Earth? Follow these five clues to find out. Then turn the page to test your chemistry IQ.(CHEMISTRY: PERIODIC TABLE) (Science World)
Tables that turn heads: modern interpretations of the traditional periodic table are gaining in popularity and reveal a lot more about the elements than their weight and atomic number.(The elements) (Chemistry and Industry)
Name that element! It's the ninth most abundant element in Earth's crust. It's as strong as steel but half as heavy, and you might find it in your braces, bike, even candy! What is it? To find out, grab a periodic table and follow these eight clues. Then turn the page to test your chem IQ. (New Science Mystery Series!). (Science World)
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