[DOC] [TLE] J! Archive - Show #4171, aired 2002-10-21 [PAR] This X-Man seen here has bones & claws made from unbreakable .... Some 
oxides of this silver-white element have been used to color glass &... [DOC] [TLE] What Are Rare Earths? - Rare Earth Technology Alliance [PAR] Rare earth elements have many applications. ... Scandium, a silvery-white metal, 
is a non-lanthanide rare earth. It is used ... Although still used to color certain 
types of glasses and gemstones, ... Another soft, silvery metal, neodymium is 
used with praseodymium to create some of the strongest permanent magnets 
available. [DOC] [TLE] Uranium - Periodic Table of Elements: Los Alamos National ... [PAR] Yellow glass with 1% uranium oxide was found in an ancient Roman villa near ... 
pitchblende was extracted from the silver mines and was used as a coloring 
agent ... is a silvery white, weakly radioactive metal, which is harder than most 
elements. ... have been used as stable fuel pellets in nuclear power reactor 
technology. [DOC] [TLE] Be Atomic Number - Metallium - ElementSales.com [PAR] A piece left in open air will crumble to white oxide powder overnight. ... Some 
properties of boron resemble those of silicon and to a lesser extent carbon. ... 
Calcium metal has a silvery-white color and is rather hard and malleable. .... a 
brilliant blue color to glass, porcelain, pottery and have been used since ancient 
times. [DOC] [TLE] Strontium - Wikipedia [PAR] Strontium is a chemical element with symbol Sr and atomic number 38. An 
alkaline earth metal, strontium is a soft silver-white or yellowish metallic element 
that is highly reactive chemically. The metal turns yellow when it is exposed to air. 
Strontium has physical and chemical properties similar to those of its two ..... 
More recently, 87Sr/86Sr ratios have also been used to determine the source... [DOC] [TLE] Glass-to-metal seal - Wikipedia [PAR] Glass-to-metal seals are a very important element of the construction of vacuum 
tubes, electric discharge tubes, incandescent light bulbs, glass encapsulated 
semiconductor diodes, reed switches, pressure tight glass windows in metal 
cases, and metal or ceramic packages .... Oxygen-free copper has to be used if 
the metal comes in contact with... [DOC] [TLE] lanthanide series facts, information, pictures | Encyclopedia.com ... [PAR] Composed of lanthanum and the 14 elements of the lanthanide series, the ... 
Though some lanthanides have limited uses, members of this group are found in 
.... In cerium (IV) oxide, or CeO2, it is used to extract the color from formerly 
colored glass, ... is very softso soft it can be cut with a knifeand silvery-white 
in color. [DOC] [TLE] Name Sym AN Weight Period MP BP Group Description Hydrogen H [PAR] Occurs in air (21%) and is by far the most abundant element. ... Potassium K 19 
39.0983 4 63.65 774 1 1 4 Soft silver-white metal, reacts violently with ... Used in 
fertilisers, electrolyte in batteries, glass and ceramics. .... Has been used in 
clinical medicine. .... Oxide has potential as a green phosphor for colour 
television. [DOC] [TLE] Giving: Department of Chemistry, College of Arts and Sciences ... [PAR] The elements that have already been purchased are repersented in grey in the 
.... Scandium (Sc) --, Soft, silvery-white metal found in residues of rare earth ... in 
salts has been used for centuries to produce brilliant blue color in pottery, .... 
oxide used in infrared absorbing glass and as a neutron absorber in nuclear 
reactors. [DOC] [TLE] What Causes Color in Stained and Colored Glass? - Geology.com [PAR] Elements of Color in Stained and Colored Glass. Cobalt, Gold, Lead, Copper, 
and Uranium Have Been Used to Color Glass ... Beads and small blown-glass 
vessels were some of the earliest objects made with ... He realized that the 
oxides of metals were the key ingredients for coloring glass. ... Tin Compounds, 
White. [DOC] [TLE] elements.xls - California State University, Northridge [PAR] Also for certain kinds of glass

Question: Some oxides of this silver-white element have been used to color glass & ceramics
Answer: uranium