Physics Notes

Physics Notes - Physics Notes 1/18/10 Daltons Atomic Theory...

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Physics Notes 1/18/10 Daltons Atomic Theory (first 4 false) 1. All matter is composed of small particles, which are called atoms 2. The atoms of each element are all alike in weight and in all other properties 3. The atoms of different elements are of different weights, and their other properties also differ 4. Atoms are indestructible and can neither be created, destroyed nor divided. They preserve their identity during chemical reactions and only undergo rearrangement 5. When two or more elements combine to form a compound their atoms combine to form identical groups of atoms which are called molecules 5 steps of operational philosophy 1. Quantities such as temperature and mass are not though of as things whose nature is intuitively understood but are defined as the objective results of certain carefully prescribed operations and procedures that can, in principle at least, be carried out in the laboratory 2. These operational definitions and lab experiments give rise to sets of pointer readings (data) which in bulk are the unrefutable facts of nature. Quanitites not reducible to pointer readings are unoberservable and
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This note was uploaded on 02/02/2010 for the course PHYS 110 taught by Professor Hamilton during the Spring '09 term at Vanderbilt.

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Physics Notes - Physics Notes 1/18/10 Daltons Atomic Theory...

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