-
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...
-
naturally occurring isotopes: 1H, 2H, and 3H. 1H and 2H are stable,
while 3H has a half-life of 12.33(2) years.
Heavier isotopes also exist; all are synthetic...
- 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...
-
Protactinium (91Pa) has no
stable isotopes. The four
naturally occurring isotopes allow a
standard atomic weight to be given. Twenty-nine radioisotopes...
-
Helium (2He) (standard
atomic weight: 4.002602(2)) has nine
known isotopes, but only helium-3 (3He) and helium-4 (4He) are stable. All
radioisotopes are...
- A
table or
chart of
nuclides is a two-dimensional
graph of
isotopes of the
chemical elements, in
which one axis
represents the
number of
neutrons (symbol...
-
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...
- 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...
-
Naturally occurring nickel (28Ni) is
composed of five
stable isotopes; 58 Ni , 60 Ni , 61 Ni , 62 Ni and 64 Ni , with 58 Ni
being the most
abundant (68...
