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mass number

created by CentrX

(thing) by CentrX (5.9 mon) (print)   ?   I like it! Sat Sep 30 2000 at 20:05:15

In physics and chemistry, the number of neutrons and protons (nucleons) in the nucleus of an atom. For example, carbon-14 has a mass number of 14 because it has 6 protons and 8 neutrons. The approximate mass of a given nucleus is obtained by multiplying the mass number by one atomic mass unit.

Also called: nucleon number

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chaos

nucleus alpha decay physics nucleon
Atomic Physics atomic weight atomic number Chemistry
Hyperon proton neutron atomic mass unit
carbon-14 phosphorus-32 Cation Curve of binding energy
Hydrogen decay chain isotope
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