Answers

2014-10-08T02:04:40+08:00
A model such that the complete type of every tuple is axiomatized  by a single formula.
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2014-10-09T15:31:19+08:00
Nucleus
1st shell= 2 electrons
2nd shell=8 electrons
3rd shell=18 electrons
-electrons orbit the nucleus at set distance. When an electron changes orbits, it does so in a sudden emitted by the ATOM in bundles of electromagnetic radiation called"PHOTONS"
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