Flashcards
Chemistry
Cards in this deck (17)
- 1MatterAnything that has mass or takes up space
- 2UnitQuantity that measures the measurement being made
- 3Significant FigureDigit in a measurement that contributes to the measurement's precision
- 4Weightmeasure of how strongly gravity pulls on an object
- 5MassMeasure of how much matter exists in an object
- 6DensityHow tightly packed the matter is in a substance
- 7Pure SubstanceA substance whose properties are the same throughout
- 8MixtureCombination of 2 or more pure substances
- 9Homogeneous MixtureMixture whose composition is the same throughout
- 10Heterogeneous MixtureMixture whose composition varies throughout
- 11Law of Mass ConservationThe total mass of everything involved in a reaction must remain the same
- 12ElementA substance that cannot be chemically broken down into simpler substances
- 13CompoundPure Substance composed of 2 or more elements
- 14Law of Definite ProportionsA given compound will always have the same proportion of elements by mass
- 15MoleculesCombination of 2 or more atoms joined together
- 16Law of Multiple ProportionsWhen 2 elements combine to form different compounds, a fixed amount of 1 element will combine w/ the other element so that the ratio of the masses of the other element will be a small whole number
- 17Isotopes2 or more atoms of the same element that gave different numbers of neutrons
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- High School Diploma Chemistry Flashcards on Chemistry, created by Rachel Osborne on 17/12/2015.
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- Rachel Osborne
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