Chemistry Final
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Size, shape, color, temperature,texture, and weight. | Physical property
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| Things you cannot observe using the five senses. How a chemical reacts in a given situation. | Chemical property
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| A statement that can be tested. | Hypothesis
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| A general principle that has been developed to explain a wide variety of phenomena. Must be consistent with known experimental results. | Theory
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| An observation that has been repeatedly seen. | Law
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| Does not have a uniform composition. Has different properties in different parts of the mixture. | Heterogeneous
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| Has a uniform composition. Uniform properties in different parts of the mixture. | Homogeneous
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| Formula for density | Mass / Volume
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| Sometimes called Proust's law. States that a chemical compound always contains exactly the same proportion of elements by mass. | Law of Definite Proportions
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| The mass of the products equals the mass of the reactants. | Law of Conservation of Mass
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| Cathode ray led to the discovery of... | the electron
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| Gold foil experiment | structure of the atom
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| 6.0221415 × 10^23 | Avagadro's number
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