- 228Th is an
isotope of
thorium with 138 neutrons. It was once
named Radiothorium, due to its
occurrence in the
disintegration chain of thorium-232. It...
- work with
salts of radium, Hahn
discovered a new
substance he
called radiothorium (thorium-228),
which at that time was
believed to be a new radioactive...
-
Radioactinium 90 Name
given at one time to 227Th, an
isotope of thorium. RdTh
Radiothorium 90 Name
given at one time to 228Th, an
isotope of thorium. Rn
Radon 86...
-
easier to work with than uranium. For a start, it had a
decay product,
radiothorium (228 90Th) that
overwhelmed weaker neutron-induced activity. But Hahn...
- 046 228Ac 228Ac MsTh2
Mesothorium 2 β− 6.25 h 2.124 228Th 228Th RdTh
Radiothorium α 1.9116 a 5.520 224Ra 224Ra ThX
Thorium X α 3.6319 d 5.789 220Rn 220Rn...
-
advances in
atomic theory. In 1907 it was
discovered that
thorium and
radiothorium,
products of
radioactive decay, were
physically different but chemically...
-
Physicist and
chemist Otto Hahn
confirmed his
discovery of a new element, "
radiothorium",
publishing his
results in the
journal Proceedings of the
Royal Society...
- 1051/radium:01911008010035601. Leslie, M. S. (1912). "Sur la période du
radiothorium et le
nombre des
particules α données par le
thorium et ses produits"...
- (1943) - for the
development of a
method for the
industrial production of
radiothorium Stalin Prize of the
first degree (1946) - for
scientific research in...