Template:POTD/2011-10-22
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2011 October
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Picture of the day
A nugget of
platinum
, a dense,
malleable
,
ductile
,
precious
, gray-white
transition metal
. It is one of the rarest
elements
in the Earth's crust. It exhibits a remarkable resistance to
corrosion
, even at high temperatures, and as such is considered a
noble metal
. As a result, platinum is often found chemically uncombined as a
native metal
.
Photo:
Alchemist-hp
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