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abstraction > mathematical concept > number > constant > fundamental physical constant > atomic constant > Bohr radius |
Bohr radius comparison table |
Subject | is named after | has proposal date | has uncertainty | has definition | has equation | has value | has symbol | is a kind of | has proposer | is an instance of | is a unit of |
---|---|---|---|---|---|---|---|---|---|---|---|
atomic constant | changes in value are due solely to an increase in measurement accuracy or convention | fundamental physical constant | |||||||||
length unit | unit | length | |||||||||
radius | length | ||||||||||
Bohr radius | Niels Bohr | 1928 | 0.0000000019 × 10-10 m | A unit of length based on the radius of the first Bohr orbit of hydrogen 1. | 0.5291772083 × 10-10 m | a0 | Hartree | radius | length |
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