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Additional
ununoctium
English Wikipedia - The Free Encyclopedia
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Ununoctium
Ununoctium
is
IUPAC
's temporary
name
for the
transactinide element
with the
atomic number
118 and temporary
element symbol
Uuo
. It is also known as
eka-radon
or
element 118
, and on the
periodic table
of the elements it is a
p-block
element and the last one of the
7th period
. Ununoctium is currently the only
synthetic
member of
group 18
. It has the highest atomic number and highest
atomic mass
of all known elements.
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