Flashcards
Chemistry Test 1
Cards in this deck (23)
- 1Dmitri Mendeleev-model for modern periodic table
-arranged in order of increasing atomic mass and by chemical property - 2kilo--1,000
-symbol: k - 3deci--0.1
-symbol: d - 4centi--0.01
-symbol: c - 5milli--0.001
-symbol: m - 6micro--0.000,001
-symbol: weird opposite "u" - 7Antoine Laurent LAVOISIER-Father of Modern Chemistry
-first to use systematic names for elements - 8Law of Conservation of Mass-Lavoisier
-Matter not created nor destroyed during chemical change - 9Law of Definite Proportions-Joseph Louis PROUST
-compound has same elements in certain definite proportion & no other combinations - 10Dalton's Atomic Theory1. All matter is composed of atoms
2. Atoms of a given element are alike but different from atoms of another element
3. Different elements combine in fixed proportions to form compounds
4. Atoms not created nor destroyed during chemical reaction, they rearrange - 11Law of Multiple ProportionsElements may combine in more than one set of definite proportion
- 12Electrolysissplitting of compounds using electricity
- 13Cathodenegatively charged
- 14Anodepositively charged
- 15Cationpositively charged; moves to cathode
- 16Anionnegatively charged; moves to anode
- 17Joseph J. Thomson-electrons; negatively charged particles
- 18Goldestein-discovered positively charged particles
-protons - 19Millikan-discovered charge on electron
- 20Roentgen-discovered x-rays
- 21Becquereldiscovered radiation
- 22Ruherford-named three types of radiation
1. Alpha: positively charged
2. Beta: negatively charged
3. Gamma: neutral, high energy - 23Chadwickdiscovered neutrons
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- Flashcards on Chemistry Test 1, created by Samantha Villarreal on 08/02/2018.
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- Samantha Villarreal
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