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Chemistry EOC Questions And Answers With Correct Solutions Already Passed!!!
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Chemistry EOC Questions And Answers With Correct Solutions Already Passed!!!
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Chemistry EOC Questions And Answers With Correct Solutions Already Passed!!! Mass - ANSWER✔✔ A measure of a amount of matter that an object contains; the SI bas e unit of mass is the kilogram Volume - ANSWER✔✔ A measure of the space occupied by a sample of matter; SI units millilitters Extensive property - ANSWER✔✔ A property that depends on the amount of matter in a sample Ex: mass and volume; golf ball and ba sketball Intensive property - ANSWER✔✔ A property that depends on the type of matter in a sample, not the amount of water Ex: absorbancy Substance - ANSWER✔✔ Matter that has a uniform and definite composition; either an element or a compound; also calle d pure substance Ex: aluminum and copper Physical property - ANSWER✔✔ A quality or condition of a substance that can be observed or measure without changing the substances composition Ex: hardness, color, conductivity,and malleability Solid - ANSWER✔✔ A form of matter that has a dedinite shape and volume Liquid - ANSWER✔✔ A form of matter that flows, has an indefinite shape and fixed volume Gas - ANSWER✔✔ A form if matter that takes up shape and volume of its container; A gas has no d efinite shape or volume Vapor - ANSWER✔✔ Describes the gaseous state of a substance that is generally a liquid or solid at room temp borhs model - ANSWER✔✔ describes how electrons have orbits around the nucleus Physical change - ANSWER✔✔ A change during which some properfies of a materal change, but the compositionof the material does not change Ex: cutting a piece of paper Chemical change - ANSWER✔✔ A change that produces matter with a different compositionthat the original matter Ex: bike turning in to rust Mixture - ANSWER✔✔ A pysical blend of two or more substances that are not chemically combined Ex: sand and water Heterogeneous - ANSWER✔✔ Mixture that is not uniform in composition; componentsare not evenly distributed throughout the mixture Ex: hard boil rggs in water Homogeneous mixture - ANSWER✔✔ A mixture that is uniform in composition; componentsare evenly distributed are not easily distinguished Ex: oil and vinegar Solution - ANSWER✔✔ A homogeneous mixture; consists of solutes disolved in a solvent phase - ANSWER✔✔ any part of a sample with uniform composition and properties element - ANSWER✔✔ simplest form of matter that has a unique set of properties; an element cannot be broken down into simpler substances by chemical means ex; carbon compound - ANSWER✔✔ a substance that contains two or more elements chemically combined in a fixed proportion chemical symbol - ANSWER✔✔ one-or-two letter representation of an element period - ANSWER✔✔ a horizontal row of elements in the perio dic tableThe benefits of buying summaries with Stuvia:
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