praseodymium
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praseodymium Definition
(n)
a
soft
yellowish
-
white
trivalent
metallic
element
of
the
rare
earth
group
;
can
be
recovered
from
bastnasite
or
monazite
by
an
ion
-
exchange
process
praseodymium Synonyms
atomic number 59
Pr
praseodymium
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