Together with the metals and nonmetals, the metalloids (in Greek metallon = metal and eidos = sort - also called semimetals) form one of the three categories of chemical elements as classified by ionization and bonding properties. They have properties intermediate between those of metals and nonmetals. There is no unique way of distinguishing a metalloid from a true metal but the most common is that metalloids are usually semiconductors rather than conductors.
The known metalloids (and their atomic symbols) are:
Boron (B)
Silicon (Si)
Germanium (Ge)
Arsenic (As)
Antimony (Sb)
Tellurium (Te)
Polonium (Po)
Astatine (At)
In the Periodic Table, metalloids occur along the diagonal line from boron to polonium. Elements to the upper right of this line are nonmetals; elements to the lower left are metals.
Semi-metallic behaviour is not confined to the elements, but is also found in alloys and compounds. Mercury (II) telluride is one example.
One definition of semi-metallic behavior would be if the conduction band and valence band overlap. This is also true of metals, so semi-metals must additionally have a relatively low carrier density.
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Germanium and arsenic are two metalloids that are found in period 4 of the Periodic Table of the Elements.
Yes. They are specific mixes of two or more elements.
Antimony & Arsenic.
there are two elements. those are tin and lead. Tin and lead are NOT metalloids. The two metalloids in group 14 (same group as Carbon) would be silicon (Si) and germanium (Ge).
Metals and metalloids are conductive.
Germanium and arsenic are two metalloids that are found in period 4 of the Periodic Table of the Elements.
Yes. They are specific mixes of two or more elements.
Antimony & Arsenic.
there are two elements. those are tin and lead. Tin and lead are NOT metalloids. The two metalloids in group 14 (same group as Carbon) would be silicon (Si) and germanium (Ge).
Metals and metalloids are conductive.
Metals and metalloids are conductive.
Metalloids (or semiconductors) are important components of electronic devices. Metalloids have other uses as well. For example, antimony is used in alloys such as pewter and as a flame retardant in plastics. Boron is used as a bonding agent in magnets and other chemical substances.
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what are metalloids used for?
One name is "metalloids".
The three classes of elements are metals, nonmetals, and metalloids.
where metalloids fit into the properties