- more
different forms, in the same
physical state,
known as
allotropes of the elements.
Allotropes are
different structural modifications of an element: the...
- 500 hypothetical 3‑periodic
allotropes of
carbon are
known at the
present time,
according to the
Samara Carbon Allotrope Database (SACADA).
Under certain...
-
phosphorus can
exist in
several allotropes, the most
common of
which are
white and red solids.
Solid violet and
black allotropes are also known.
Gaseous phosphorus...
-
There are
several known allotropes of oxygen. The most
familiar is
molecular oxygen (O2),
present at
significant levels in Earth's
atmosphere and also...
-
sulfur exists as many
allotropes. In
number of
allotropes,
sulfur is
second only to carbon. In
addition to the
allotropes, each
allotrope often exists in polymorphs...
-
variety of
allotropes, even at
ambient pressure.
These allotropes differ widely in
crystal structure and density; the α and δ
allotropes differ in density...
-
Plutonium normally has six
allotropes and
forms a
seventh (zeta, ζ) at high
temperature within a
limited pressure range.
These allotropes,
which are different...
- bond
together in
diverse ways,
resulting in
various allotropes of carbon. Well-known
allotropes include graphite, diamond,
amorphous carbon, and fullerenes...
-
electrical discharge in
nitrogen gas
produced "active nitrogen", a
monatomic allotrope of nitrogen. The "whirling
cloud of
brilliant yellow light"
produced by...
- Austenite, also
known as gamma-phase iron (γ-Fe), is a metallic, non-magnetic
allotrope of iron or a
solid solution of iron with an
alloying element. In plain-carbon...
