-
recognized as
nonmetals. Additionally, some or all of six
borderline elements (metalloids) are
sometimes counted as
nonmetals. The two
lightest nonmetals, hydrogen...
-
Metalloids may be
grouped with metals; or
regarded as
nonmetals; or
treated as a sub-category of
nonmetals.
Other authors have
suggested classifying some elements...
- form
essentially ionic compounds with
nonmetals,
especially with the
highly electronegative halogen nonmetals. The p-block, with the p
standing for "prin****l"...
- in the
periodic table, the
nonmetals can be
divided into the
reactive nonmetals and the
noble gases. The
reactive nonmetals near the
metalloids show some...
-
electronegativity Nonmetals in
materials science include all
substances which are not
metals or alloys: elements, compounds, mixtures, and composites.
Nonmetal (astrophysics)...
-
between the
metals and the
nonmetals. In 1906,
Alexander Smith published a
periodic table with a
zigzag line
separating the
nonmetals from the rest of elements...
-
nucleosynthesis are carbon, nitrogen, oxygen, and neon, all of
which are
strictly nonmetals in chemistry. A star
fuses lighter atoms,
mostly hydrogen, and helium...
- a
tendency of
nonmetals. The
hydroxide of
astatine At(OH) is
presumed to be amphoteric.
Astatine forms covalent compounds with
nonmetals,
including hydrogen...
-
remaining nonmetals are
divided into
nonmetals, halogens, and
noble gases, with the
unnamed class being distinguished by
including nonmetals with relatively...
-
actinide (superactinide)
Metalloids dividing metals and
nonmetals Nonmetals unclassified nonmetal halogen noble gas By
other characteristics Coinage metals...
