The atomic mass (m a) is the mass of an atom, most often expressed in unified atomic mass units. The atomic mass may be considered to be the total mass of protons, neutrons and ...
http://en.wikipedia.org/wiki/Atomic_mass

Atomic weight (symbol: A r) is a dimensionless physical quantity, the ratio of the average mass of atoms of an element (from a given source) to 1/12 of the mass of an atom of ...
http://en.wikipedia.org/wiki/Standard_atomic_weight

atomic mass n. The mass of an atom, usually expressed in atomic mass units. ... Concept. Every known item of matter in the universe has some amount of mass, even if it is very ...
http://www.answers.com/topic/atomic-mass

noun Chemistry. the mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on 1 / 16 the mass of one oxygen atom, but ...
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An up-to-date periodic table with detailed but easy to understand information ... Element Groups (Families) Alkali Earth: Alkaline Earth: Transition Metals: Rare Earth: Other ...
http://www.chemicalelements.com/show/mass.html

For example, there are two different types (isotopes) of copper atoms. One type of copper atoms weighs in at 62.93 amu, the other has a mass of 64.94 amu. The lighter isotope is ...
http://www.algebralab.org/practice/practice.aspx?file=Algebra_AverageAtomicMass.xml

atomic mass. n. The mass of an atom, usually expressed in atomic mass units. atomic mass. The mass of a given atom or molecule, expressed in atomic mass units.
http://www.thefreedictionary.com/atomic+mass

Definition of the atomic mass unit. ... A very, very small unit of mass used to express the mass of atoms and molecules, conceptually equal to 1 gram divided by Avogadro?s ...
http://www.sizes.com/units/atomic_mass_unit.htm

Atomic Mass is the church service held every Sunday for Christian Scientists. Pioneered in 1951 by Nobel Prize-winning chemist Glenn T. Seaborg, it is a highly modernized service ...
http://uncyclopedia.wikia.com/wiki/Atomic_Mass

atomic mass, the mass of a single atom atom [Gr.,=uncuttable (indivisible)], basic unit of matter ; more properly, the smallest unit of a chemical element having the properties of ...
http://encyclopedia2.thefreedictionary.com/atomic+mass

From the Simple English Wikipedia, the free encyclopedia that anyone can change
http://simple.wikipedia.org/wiki/Atomic_weight

Britannica online encyclopedia article on atomic mass:the quantity of matter contained in an atom of an element. It is expressed as a multiple of one-twelfth the mass of the carbon ...
http://www.britannica.com/EBchecked/topic/41699/atomic-mass

Recall that EDS measures x-rays from within the outer several to hundreds of micrometers, depending upon the energy of the primary electron beam, the atomic mass of the element and ...
http://acronyms.thefreedictionary.com/atomic+mass

Experimental Atomic Masses: Atomic Mass Data Center (Orsay) Up-to-date information about experimental atomic mass data. G. Audi and A.H. Wapstra, Nucl.
http://ie.lbl.gov/toimass.html

Click here for a list of the elements and their symbols. Atomic Mass: The atomic mass is the average mass of an element in atomic mass units ("amu
http://periodic.lanl.gov/use.html

atomic mass unit n. ( Abbr. amu ) A unit of mass equal to / 12 the mass of the most abundant isotope of carbon, carbon 12, which is assigned a mass of
http://www.answers.com/topic/atomic-mass-unit

To do these problems you need some information: the exact atomic weight for each naturally ... mass number: exact weight: percent abundance mass number: exact weight: percent abundance
http://dbhs.wvusd.k12.ca.us/webdocs/Mole/AverageAtomicWeight.html

The AME2003 atomic mass evaluation" is presented here in the form of four files: mass.mas03 - Atomic mass table; rct1.mas03 - Nuclear reaction Q-values and separation energies ...
http://www.nndc.bnl.gov/masses/

I cite them as an important influence.? ... I cite them as an important influence. ? ~ Pamela Anderson on Atomic Mass >br>
http://uncyclopedia.wikia.com/wiki/Atomic_Mass_%28band%29

2003 Virginia SOLs. PS.1 PS.4 Objectives. Students will. investigate atomic mass and the manner in which it's measured; calculate atomic mass of elements given the numbers ...
http://galileo.phys.virginia.edu/outreach/8thGradeSOL/AtomicMass.htm#sol