KSIĄŻKI POWIĄZANE ZE SŁOWEM «PENTAVALENCY»
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1
Handbook on the Physics and Chemistry of Rare Earths
He was very confident that it would soon turn out to be a real oxide, and he
therefore thought the pentavalency of didymium a proven fact. Even though the
results of his fractionated precipitations had made him question the complexity of
...
2
The study of chemical composition: An account of its method ...
xvn] Pentavalency of Phosphorus 535 Compound (1) is not likely to exist owing to
its probably great instability ; but it is a fact that has met with general proof, that
the weighting of a molecule, i.e. the substitution ofphosphorus of CJlm+i or other
...
3
Systematic Inorganic Chemistry from the Standpoint of the ...
The formation of salts analogous to those of ammonium depends, however, upon
the power of developing pentavalency possessed by the element rather than
upon basigenic or metallic properties; moreover, a fourth hydrogen atom is one of
...
Robert Martin Caven, George Druce Lander,
1906
4
Argon and Newton : a Realisation
Hence, we have iodine which is normally monovalent exhibiting abnormal
pentavalency by forming a compound in which one atom of fluorine regularly
seated upon its one flat place holds in position two molecules which have no
seats, but sit ...
5
Dynamic stereochemistry of pentaco-ordinated phosphorus and ...
As none of these quinquevalent intermediates have yet been isolated, it has not
been possible to establish either pentavalency or geometrical structure (TBP or
other) by spectroscopic or other measurements*. It will however be seen that the
...
6
Report of the Annual Meeting
The action of nitrous acid on the salt of an aromatic amine leads to the production
of a diazonium salt, the basic nitrogen atom retaining its pentavalency throughout
the operation. When the interaction occurs between nitrous acid and the free ...
British Association for the Advancement of Science. Meeting,
1903
7
Proceedings of the Chemical Society
Pentavalency of nitrogen in ammonium salts, 121. Pheno-o-
aminoheptamethylene, preparation and properties of, 68. hydrochloride,
platinichloride, and benzoyl derivative, preparation and properties of, 68. Pheno-
o-ketoheptamethylene ...
Chemical Society (Great Britain), Chemical Society (Great Britain).,
1902
8
The molecular volumes of liquid chemical compounds, from the ...
The contractions for PC16 and PBr5 are thus not caused by the pentavalency of
phosphorus. The diminution in volume is thus due to the two additional chlorine
and bromine atoms. It may be supposed that the compounds PC15 and PB15 ...
9
Congress of arts and science, Universal exposition, St. ...
The adherence of ammonia to many chlorides, nitrates, etc., points to the
connecting link being ascribable to the pentavalency of nitrogen; and it might be
worth while investigating similar compounds with phosphoretted and
arseniuretted ...
Howard Jason Rogers, Hugo Münsterberg,
1906
10
Popular Science Monthly and World's Advance
The adherence of ammonia to many chlorides, nitrates, etc., points to the
connecting link being ascribable to the pentavalency of nitrogen; and it might be
worth while investigating similar compounds with phosphoretted and
arsenicoretted ...