chemistry test
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Created by:
dennyinparis on April 13, 2010
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20 terms
Terms | Definitions |
|---|---|
 Dalton | sphere, atomic theory |
| JJ Thomson | cathode ray tubes- discovered electrons- plum pudding model |
| Rutherford | gold foil experiment- nucleus |
| Bohr | electrons in circular orbits |
| Schorodinger | electron could model- modern model |
| periods | outermost energy level |
| groups | valence electrons- similiar chemical properties |
| wavelength | length between 2 consecutive crests |
| mendeleev | increasing atomic mass |
| modern | atomic # |
| energy level 1 | 2 electrons |
| energy level 2 | 8 |
| energy level 3 | 16 |
| energy level 4 | 32 |
| S | 2 |
| P | 6 |
| D | 10 |
| F | 14 |
| What is unusual about Hydrogen's placement on the periodic table? | its electron configuration (ends with s1). its not a metal |
| What is unusual about Helium's placement on the periodic table? | its a noble gas |
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