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16 Cards in this Set
- Front
- Back
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Alkali metals |
Shiny, soft, low melting pt, react with water, no pure state |
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Alkaline Earth Metals |
Lustrous, silvery, less reactive than alkali metals, burn brightly in O2, no pure state |
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Halogens |
Non metallic, colorful, corrosive, react with alkali metals to form ionic solid |
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Noble gases |
Gases, odorless, colorless, monoatomic, low reactivity |
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Ionic Bond |
Metal to non metal Donation of electron Ionize with water |
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Covalent |
Sharing of electrons 2 atoms come together and share electrons to fill shell Polar- unequal Non polar- equal |
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Metallic |
3D Latrice of nuclei with loosely held electrons |
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Hydrogen |
Occur between different molecules due to attraction between partial charges of 2 unattached atoms |
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Dalton |
Gave relative masses of elements |
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Crookes |
Cathode ray tube- identified existence of charged particles |
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JJ Thompson |
Credit for charged particles- plum pudding model |
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Rontgen |
Used XRays to see molecules |
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Rutherford |
Determined nature of radioactivity |
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De Broglie |
French physicist - waves behave like matter and vice versa |
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Schrodinger |
Concentrate on electron wavelength properties |
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Heisenberg uncertainty principle |
You can never know both the location and path of an electron at the same time |
