Natural nitrogen (N) consists of two stable isotopes, nitrogen-14, which makes up
the vast ... Like all elements heavier than lithium, the original source of nitrogen-
14 and nitrogen-15 in the Unive...
This WebElements periodic table page contains isotope data for the element ...
isotopes) of nitrogen are listed (including any which occur naturally) below.
Element Nitrogen (N), Group 15, Atomic Number 7, p-block, Mass 14.007.
Sources, facts, uses ... State at 20°C, Gas, Key isotopes, <sup>14</sup>N. Electron
The atomic number is the number of protons in an atom, and isotopes have the ...
For instance, a small amount of carbon exists in the atmosphere as radioactive
carbon-14, and ... Atoms of each element contain a characteristic number of
protons. ... the identity of the atom changes (e.g., carbon-14 decaying to nitrogen-
The Element Nitrogen - Known Isotopes. ... National Nuclear Data Center. Please
visit their site for more information. Isotopes With A Known Natural Abundance ...
Facts. Date of Discovery: 1772. Discoverer: Daniel Rutherford Name Origin:
Greek Uses: forms most of atmosphere. Obtained From: ...
Dec 12, 2016 ... The six elements—nitrogen, phosphorus, arsenic, antimony, bismuth, ...
Phosphorus exists in a variety of physical modifications, or allotropic forms, ....
isotopic abundance (terrestrial, percent), 14 (99.63), 15 (0.37), 31 (100).
Jul 22, 1997 ... Elements can exist in both stable and unstable (radioactive) forms. ... useful as
biological tracers are the heavy isotopes of carbon and nitrogen.
In that decade, two new elements were discovered in air: nitrogen and oxygen.
For some time ... Three isotopes of neon exist, neon-20, neon-21, and neon-22.
organization include the periodic table of elements and the classification of
organisms. .... contains the elements lithium, beryllium, boron, carbon, nitrogen,
oxygen, .... There exist atoms of hydrogen that have either one or two neutrons in