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Matter (tools to measure (granulated cylinder, thermometer, triple beam…
Matter
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properties
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weight, density and volume
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element
Examples: Oxygen,gold,hydrogen,
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Chemistry
Definition: the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
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Molecule
examples: (H2O), carbon dioxide,
Definition: a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Compound
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definition: a thing that is composed of two or more separate elements; they must be chemically combined.
Pure substance
Definition: a sample of matter with both definite and constant composition and distinct chemical properties
examples:tin, sulfur, diamond, water, pure sugar
mixture
Examples: salad dressing, kool aid
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Matter
Definition: physical substance in general, as distinct from mind and spirit
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Solution
example: are salt water, rubbing alcohol, and sugar dissolved in water.
Definition: a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).