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Actinides in the
periodic table The
actinide (/ˈæktɪnaɪd/) or
actinoid (/ˈæktɪnɔɪd/)
series encomp****es at
least the 14
metallic chemical elements in the...
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chemistry that
investigates the
processes and
molecular systems of the
actinides. The
actinides derive their name from the
group 3
element actinium. The informal...
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considered an
actinide. In
comparison with the lanthanides, also
mostly f-block elements, the
actinides show much more
variable valence. Of the
actinides, thorium...
- In
nuclear chemistry, the
actinide concept (also
known as
actinide hypothesis)
proposed that the
actinides form a
second inner transition series homologous...
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minor actinides neptunium, americium, curium, berkelium, and californium,
including other isotopes of
uranium and
plutonium and
other actinides. Handbook...
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Polyommatus actinides actinides (Zaalaisky Mountains)
Polyommatus actinides praeactinides (Forster, 1960) (western Tian-Shan)
Polyommatus actinides weidenhofferi...
- The
actinide contraction is the greater-than-expected
decrease in
atomic radii and
ionic radii of the
elements in the
actinide series, from left to right...
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lanthanides and late
actinides usually have high
fourth ionisation energies and
hence rarely surp**** the +3
oxidation state,
whereas early actinides have low fourth...
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advantage of
their radioactive properties.
While all
actinides are radioactive,
actinides and
actinide compounds comprise a
significant portion of the Earth's...
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staying subcritical. The
actinides will be
mixed with a
metal which will not form more
actinides; for instance, an
alloy of
actinides in a
solid such as zirconia...
