September 2012
Beginner
208 pages
4h 32m
English
Content preview from Wonderful Life with the Elements
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135
MELTING POINT
BOILING POINT
DENSITY
Lanthanide
Specialist
uses
Solid
THE FLAMING YELLOW
MAGICIAN
Pure praseodymium is a silver-white
solid, but it turns yellow when oxi-
dized. It’s often used in welding goggles
because it absorbs blue light. Its beauti-
ful yellow is also used in pottery enamel.
DISCOVERY YEAR: 1885
MELTING POINT
BOILING POINT
DENSITY
Lanthanide
Daily uses
Solid
THE MAINSTAY OF THE
LANTHANIDES
More naturally abundant than copper
or silver, cerium is used in sunglasses
and UV-resistant glass for its ability to
absorb ultraviolet rays. It’s also used in
engines as a purification catalyst.
DISCOVERY YEAR: 1803
(SOLID)
(25ºC)
136
MELTING POINT
BOILING ...
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