atomic mass

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  • noun

Synonyms for atomic mass

(chemistry) the mass of an atom of a chemical element expressed in atomic mass units

References in periodicals archive ?
It is obvious that it is practically impossible to choose and calculate precisely the curve peak for an atomic mass exceeding the value 250 without the application of the mathematical method adduced herein.
Answers: 1) 7 periods (rows); 2) 18 groups (columns); 3) Potassium (K) has 11 more protons than Oxygen (0): 19 protons (K) - 8 protons (0) = 11 more protons 4) Potassium (K) has a greater atomic mass by 23, than Oxygen (0): atomic mass of 39 (K) - atomic mass of 16 (0) = 23 (greater mass for K)
Step 3: The relationship between Avogadro's number, atomic mass unit and mass was explained in the following way: It was determined experimentally that there are as many [sup.
Deuterium Search "For several years there has been doubt among astronomers as to whether or not the interstellar gas, which is mainly ordinary hydrogen, contains an appreciable fraction of deuterium--heavy hydrogen of atomic mass two.
Appropriate for college freshmen, this textbook introduces chemical formulas, atomic mass, the structure of elements and compounds, the ideal gas law, the properties of solids and liquids, equilibrium in chemical reactions, chemical kinetics, and the modern materials being used to develop new products.
Mass spectrometry is a sensitive technique that identifies chemicals by their atomic mass.
2) In 1907, Bertram Boltwood separated "ionium," a substance chemically indistinguishable from thorium but with a different atomic mass.
Numerical experiments can be used to investigate the dependence as atomic mass, bond distance or any other property, is varied continuously from one value to another.
The differences in atomic mass between the natural abundance and enriched isotopes range from 2.
Photodeactivation involves the irradiation of specific radioactive isotopes to force the emission of a neutron, thereby producing an isotope of reduced atomic mass.
It does, however, have 1 neutron, 125 assistant neutrons, 75 vice neutrons and 111 assistant vice neutrons, giving it an atomic mass of 312.
Residual Gas Analyzer (RGA): A class of quadrupole mass spectrometers that typically cover mass ranges from 1 to 100 or 200 atomic mass units (amu).
Just a few of the topics covered in StudyWorks include: logs and exponential functions, trigonomic identities, derivatives, hypothesis tests and confidence intervals, atomic mass and molar mass, thermochemistry, motion and acceleration, thermodynamics and quantum theory.
Some studies have indicated that the atomic mass actually increases after each reorganization.
Features a new co-editor: David Koppenaal of Pacific Northwest National Laboratory, Washington, USA, whose work in atomic mass spectrometry has been recognized internationally