-
periodic table Z ≥ 104 (Rf)
Superheavy elements, also
known as
transactinide elements,
transactinides, or super-heavy elements, or
superheavies for short, are...
-
having only been
prepared in
microgram amounts or less. The
later transactinide elements have only been
identified in
laboratories in
batches of a few...
- (2006). "
Transactinides and the ****ure elements". In Morss; Edelstein,
Norman M.; Fuger, Jean (eds.). The
Chemistry of the
Actinide and
Transactinide Elements...
- have no
practical application. In the
periodic table, it is a d-block
transactinide element. It is a
member of the 7th
period and is
placed in the group...
- Lise
Meitner in 1997. In the
periodic table,
meitnerium is a d-block
transactinide element. It is a
member of the 7th
period and is
placed in the group...
- half-life of only 0.65 seconds. In the
periodic table, it is a p-block
transactinide element. It is a
member of the 7th
period and is
placed in
group 15...
-
compound with the
formula HsO4. It is the
highest oxide of h****ium, a
transactinide transition metal. It has
little use
outside of
scientific interest,...
- (2006). "
Transactinides and the ****ure elements". In Morss; Edelstein,
Norman M.; Fuger, Jean (eds.). The
Chemistry of the
Actinide and
Transactinide Elements...
-
reported but not yet confirmed. In the
periodic table, it is a p-block
transactinide element. It is a
member of the 7th
period and is
placed in
group 16...
- or 112; sometimes, the term is
presented an
equivalent to the term "
transactinide",
which puts an
upper limit before the
beginning of the hypothetical...
