Mass Number (m): Difference between revisions
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== [[Orange Book]] Entry == | == [[Orange Book]] Entry == | ||
The sum of the total number of protons and neutrons in an atom, ion or molecule. | The sum of the total number of protons and neutrons in an atom, ion or molecule. | ||
== [[Gold Book]] Entry == | == [[Gold Book]] Entry == | ||
Total number of heavy particles (protons and neutrons jointly called nucleons) in the atomic nucleus. Also called nucleon number. Symbol ''m'' in mass spectrometry. | Total number of heavy particles (protons and neutrons jointly called nucleons) in the atomic nucleus. Also called nucleon number. Symbol ''m'' in mass spectrometry. | ||
Revision as of 18:22, 18 January 2005
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Orange Book Entry
The sum of the total number of protons and neutrons in an atom, ion or molecule.
Gold Book Entry
Total number of heavy particles (protons and neutrons jointly called nucleons) in the atomic nucleus. Also called nucleon number. Symbol m in mass spectrometry.
