atomic number 84
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atomic number 84 Definition
(n)
a
radioactive
metallic
element
that
is
similar
to
tellurium
and
bismuth
;
occurs
in
uranium
ores
but
can
be
produced
by
bombarding
bismuth
with
neutrons
in
a
nuclear
reactor
atomic number 84 Synonyms
atomic number 84
Po
polonium
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