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| the study of the composition of matter |
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| logical approach to the solution of scientific problems |
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| information obtained through the senses; observation in science often involves a measurement |
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| the amount of matter the object contains |
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| the space occupied by a sample of matter |
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| a substance in a gaseous state that is ordinarily a liquid or solid at room temperature |
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| a chemical process used for separating mixtures into their constituents by virtue of differences in absorbance's |
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| the ratio of the mass of an object to its volume |
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| the differences between the accepted value and the experimental value |
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| the percent that a measured value differs from the accepted value |
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| significant digits (figures) |
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Definition
| all the digits that can be known precisely in a measurement, plus a last estimated digit |
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| the ratio of the density of a substance to that of a standard substance (usually water) |
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| a ratio of equivalent measurements used to convert a quantity from one unit to another |
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| able to be hammered or pressed permanently out of shape without breaking or cracking |
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| a region around the nucleus of an atom where an electron is likely to be moving |
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| a compound composed of 2 elements |
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| the electrostatic attraction that binds oppositely charged ions together |
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Definition
| a chemical bond that involves sharing a pair of electron between atoms in molecule |
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| the number of representative particles contained in one mole of a substance; equal to 6.02x10 particles |
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Definition
| the amount of a substance that contains 6.02x10 representatives particles of that substance |
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Definition
| a general expression used the refer to the mass of a mole of any substance unless a more specific term is needed to avoid confusion |
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| standard temperature pressure |
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