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18 Cards in this Set
- Front
- Back
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Matter is made up of
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Atoms and molecules
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Matter is anything that has
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Mass and Volume
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The 3 states of matter being studied are
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Solids, Liquids, and Gases
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Pure Substances
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are materials that have the same properties in any sample taken
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There are 2 kinds of pure substances
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Elements and Compunds
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Elements
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are made up of only one kind of atom
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Compunds
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are made up of 2 or more different kinds of atoms that are chemically combined
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Mixtures
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have 2 or more different kinds of particles that have different properties
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Physical Change
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a change in matter in which no new substance is produced- change in appearance
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Chemical Change
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a change in matter in which one or more new materials are produced that have different properties
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Property
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a quality of an object that gives a description of that object
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Physical Properties
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properties of an element or compound that can be observed without a chemical reaction of the substance
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Chemical Properties
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properties of an element or compound
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Chemical formula
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it shows the number and kinds of atoms in a molevule
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Most
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of the elements of the Periodic Chart are metals
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Elements in a given ________ have similar chemical characteristics
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Columns
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The ______ tells you how many protons are in the nucleus
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Atomic Number
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As one moves along a _____ of elements, the atomic mass increases and the chemical properties change
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Row
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