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From Wikipedia, the free encyclopedia
<
Template:POTD
Picture of the day archives
:
2010 September
<
2010 September 27
2010 September 29
>
Picture of the day
A
bismuth
crystal
covered with an
iridescent
oxide
surface. Bismuth is a
post-transition metal
with the
atomic number
83. It is generally considered to be the last naturally occurring stable, non-radioactive element on the
periodic table
, although it is actually slightly
radioactive
. Bismuth compounds are used in
cosmetics
,
medicines
, and in
medical procedures
. As the toxicity of
lead
has become more apparent in recent years,
alloy
uses for bismuth metal as a replacement for lead have become an increasing part of bismuth's commercial importance.
Photo:
Alchemist-hp
Archive
–
More featured pictures...
Category
:
Wikipedia Picture of the day September 2010
From Wikipedia, the free encyclopedia
<
Template:POTD
Picture of the day archives
:
2010 September
<
2010 September 27
2010 September 29
>
Picture of the day
A
bismuth
crystal
covered with an
iridescent
oxide
surface. Bismuth is a
post-transition metal
with the
atomic number
83. It is generally considered to be the last naturally occurring stable, non-radioactive element on the
periodic table
, although it is actually slightly
radioactive
. Bismuth compounds are used in
cosmetics
,
medicines
, and in
medical procedures
. As the toxicity of
lead
has become more apparent in recent years,
alloy
uses for bismuth metal as a replacement for lead have become an increasing part of bismuth's commercial importance.
Photo:
Alchemist-hp
Archive
–
More featured pictures...
Category
:
Wikipedia Picture of the day September 2010
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