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| abstraction > mathematical concept > number > constant > fundamental physical constant > particle constant > particle mass |
| particle mass | ||||
| subject | fact | |||
| particle mass | has unit kg | ![]() |
| is a kind of particle constant | ![]() | |
| is a kind of mass | ![]() | |
| particle constant | applies to particle | ![]() |
| fundamental physical constant | has value changes in value are due solely to an increase in measurement accuracy or convention | ![]() |
| has accuracy | ![]() |
Kinds of particle mass :