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Isotopes are
distinct nuclear species (or nuclides) of the same
chemical element. They have the same
atomic number (number of
protons in
their nuclei)...
- Look up
isotopic in Wiktionary, the free dictionary.
Isotopic may
refer to: In the
physical sciences, to do with
chemical isotopes In mathematics, to do...
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taken advantage of in
isotope geochemistry and
other fields. Normally, the
focus is on
stable isotopes of the same element.
Isotopic fractionation can be...
- given. Like all
trace or
artificial elements, it has no
stable isotopes. The
first isotope to be
synthesized and
identified was 239Np in 1940, produced...
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Isotope separation is the
process of
concentrating specific isotopes of a
chemical element by
removing other isotopes. The use of the
nuclides produced...
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Natural nitrogen (7N)
consists of two
stable isotopes: the vast
majority (99.6%) of
naturally occurring nitrogen is nitrogen-14, with the
remainder being...
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naturally occurring isotopes: 1H, 2H, and 3H. 1H and 2H are stable,
while 3H has a half-life of 12.32(2) years.
Heavier isotopes also exist; all are synthetic...
- naturally-occurring
isotope of
polonium and is the most
common isotope of polonium. It is also the most
easily synthesized polonium isotope. 209Po,
which does...
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observationally stable isotopes: 204Pb, 206Pb, 207Pb, 208Pb. Lead-204 is
entirely a
primordial nuclide and is not a
radiogenic nuclide. The
three isotopes lead-206...
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Protactinium (91Pa) has no
stable isotopes. The four
naturally occurring isotopes allow a
standard atomic weight to be given. Twenty-nine radioisotopes...
