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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Who were the first to attempt to explain why chemical changes occurred in 400bc |
Greeks |
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What term did the Greeks use to describe particles of matter? |
Atomos |
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Who was Robert Boyle and what were some of his discoveries and beliefs? |
1.) First real chemist 2.) Performed Quantitative experiments 3.) Defined the element as a substance that could not be broken down into simpler substances 4.) Still believed that metals could be changed into one another |
4 parts |
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Why and how is Joseph Priestly important? |
1.) He discovered Oxygen 2.) He realized oxygen caused vigorous combustions. |
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Who created the Law of conservation of mass. |
Antoine Lavoisier |
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Who created the Law of conservation of mass. |
Antoine Lavoisier |
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What is the Law of Conservation of Mass? |
The idea that mass is neither created nor destroyed. |
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Who created the law of definite proportion? |
Joseph Proust |
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What is the Law of Definite Proportions? |
Law that states, “a given compound always contains exactly the same proportion of elements by mass.” |
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Who created the Law of Multiple Proportions? |
John Dalton |
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What is the Law of Multiple Proportions? |
The law states that, “the ratio of the masses of the elements in a compound is always the same.” |
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