Lanthanum is not an allot.
Mischmetal is an alloy. It is composed of half cerium, a quarter lanthanum, and small amounts of neodymium and prasedymium.
Ferocerium, which is a alloy composing of 19% Iron, 38% Cerium, 22% Lanthanum, 4% Neodymium, 4% Praseodymium and 4% Magnesium
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Lanthanum is a natural element.
The oxidation number for lanthanum is +3.
The Boiling point of lanthanum:
Lanthanum has 3 valence electrons
Lanthanum has 2 valence electrons.
The cation of lanthanum is La(3+).
lanthanum is a element on the perodic table ...
The chemical formula for lanthanum III iodate is La(IO3)3. This compound is composed of one lanthanum atom bonded to three iodate ions.
Most, 99.91%, of the lanthanum found in nature is 139La, which is not radioactive. The other 0.09% is made up of 138La, which is radioactive but has a very long half life of 105,000,000,000 years. Like all elements, lanthanum has synthetic radioactive isotopes.