Web Results

Isotopes of nitrogen - Wikipedia

en.wikipedia.org/wiki/Nitrogen-14

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...

Nitrogen - Element information, properties and uses | Periodic Table

www.rsc.org/periodic-table/element/7/nitrogen

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 configuration ...

nitrogen group element | chemical elements | Britannica.com

www.britannica.com/science/nitrogen-group-element

Mar 11, 2011 ... Nitrogen group element, any of the chemical elements that .... bonding thus exists for phosphorus, arsenic, antimony, and bismuth, but not for nitrogen. .... isotopic abundance (terrestrial, percent), 14 (99.63), 15 (0.37), 31 (100).

Atomic number, atomic mass, and isotopes | Radiometric dating ...

www.khanacademy.org/science/biology/history-of-life-on-earth/radiometric-dating/a/atomic-number-atomic-mass-and-isotopes-article

Since an element's isotopes have different atomic masses, scientists may also ... the identity of the atom changes (e.g., carbon-14 decaying to nitrogen-14). ... and it exists in three isotopic forms: carbon-12 and carbon-13, which are stable, and ...

Chemistry of Nitrogen - Chemistry LibreTexts

chem.libretexts.org/Core/Inorganic_Chemistry/Descriptive_Chemistry/Elements_Organized_by_Block/2_p-Block_Elements/Group_15:_The_Nitrogen_Family/Chemistry_of_Nitrogen

Feb 29, 2016 ... Nitrogen is a non-metal element that occurs most abundantly in the atmosphere, ... Nitrogen has two naturally occurring isotopes, nitrogen-14 and .... Almost all the oxides that form are gasses, and exist at 25 degrees Celsius.

Calculate the isotopic abundances from the average atomic aeight ...

www.chemteam.info/Mole/AvgAtomicWt-Reverse.html

Problem #1: Nitrogen is made up of two isotopes, N-14 and N-15. Given ... Comment Two: only the mass numbers may be given if the element is a made-up one. ... Since ChemTeamium doesn't exist, you can't look up exact isotopic weights.

The Periodic Table: Atoms, Elements, and Isotopes - Genesis

genesismission.jpl.nasa.gov/educate/scimodule/UnderElem/UnderElem_pdf/TeachText.pdf

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 the ...

Campbell Biology: Chapter 2 Test Preparation Flashcards | Easy ...

www.easynotecards.com/notecard_set/7153

A) Carbon, hydrogen, oxygen, and nitrogen are the most abundant elements of ... Several common isotopes exist, with mass numbers of 92, 94, 95, 96, 97, 98, ...

Definition of isotopes - Chemistry Dictionary - Chemicool

www.chemicool.com/definition/isotopes.html

Elements are defined by the number of protons in an atom's nucleus. For example ... Carbon atoms exist naturally with 6, 7 or 8 neutrons. Since each ... It is produced in earth's atmosphere by cosmic ray bombardment of nitrogen-14. Isotopes ...

Atomic theory: atoms, elements, nucleus - Chem1

www.chem1.com/acad/webtext/intro/int-1.html

May 13, 2016 ... These basic elements were not generally considered to exist as the actual .... These combining weights would be different if the mass of nitrogen that ..... Most elements possess more than one stable isotope in proportions that ...

More Info

Nitrogen»isotope data [WebElements Periodic Table]

www.webelements.com

This WebElements periodic table page contains isotope data for the element nitrogen.

Chemical Elements.com - Nitrogen (N)

www.chemicalelements.com

Facts. Date of Discovery: 1772. Discoverer: Daniel Rutherford Name Origin: Greek Uses: forms most of atmosphere. Obtained From: ...

Nitrogen, Chemical Element - reaction, water, uses, elements ...

www.chemistryexplained.com

Nitrogen is one of the most interesting of all chemical elements. .... Isotopes. Two naturally occurring isotopes of nitrogen exist, nitrogen-14 and nitrogen-15.