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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)...
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occurring isotopes,
sometimes denoted 1 H , 2 H , and 3 H . 1 H and 2 H are stable,
while 3 H has a half-life of 12.32(2) years.
Heavier isotopes also exist...
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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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Carbon (6C) has 14
known isotopes, from 8 C to 20 C as well as 22 C , of
which 12 C and 13 C are stable. The longest-lived
radioisotope is 14 C , with...
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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...
- The
isotopic shift (also
called isotope shift) is the
shift in
various forms of
spectroscopy that
occurs when one
nuclear isotope is
replaced by another...
- 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...
- one of its
isotopes. Formally, it is the
ratio of rate
constants for the
reactions involving the
light (kL) and the
heavy (kH)
isotopically substituted...
- Look up
Isotope or
isotope in Wiktionary, the free dictionary.
Isotopes are any of the
several different forms of an
element each
having different atomic...
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their isotopes. Of the
first 82
elements in the
periodic table, 80 have
isotopes considered to be stable. Overall,
there are 251
known stable isotopes in...
