August Herman Pfund: Difference between revisions
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'''August Herman Pfund''' ([[December 28]], [[1879]] – [[1949]]), American physicist and spectroscopist. Born [[Madison, Wisconsin|Madison]], [[Wisconsin]]. Discovered the [[hydrogen]] [[Pfund lines]], where an [[electron]] jumps up from or drops down to the fifth fundamental level. |
'''August Herman Pfund''' ([[December 28]], [[1879]] – [[1949]]), American physicist and spectroscopist. Born [[Madison, Wisconsin|Madison]], [[Wisconsin]]. Discovered the [[hydrogen]] [[Pfund lines]], where an [[electron]] jumps up from or drops down to the fifth fundamental level. |
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A pfund is also a unit of [[mass]] measurement equal to 500 [[gram]]s. 100 pfund = 1 [[zentner]] |
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==References== |
==References== |
Revision as of 22:34, 21 June 2005
August Herman Pfund (December 28, 1879 – 1949), American physicist and spectroscopist. Born Madison, Wisconsin. Discovered the hydrogen Pfund lines, where an electron jumps up from or drops down to the fifth fundamental level.
A pfund is also a unit of mass measurement equal to 500 grams. 100 pfund = 1 zentner
References
- Dr. John Andraos, Named Concepts in Chemistry (L-Z), York University, 2001