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SS-Chemistry: GOB 1

Fundamentals of General, Organic, and Biological Chemistry, 6th ed. McMurray

QuestionAnswer
Chemistry The study of nature, properties, and transformations of matter
Matter The physical material that makes up the universe
Scientific Method The systematic process of observation, hypothesis, and experimentation used to expand and refine a body of knowledge.
Property A characteristic useful for identifying a substance or object.
Chemical Composition Describes what matter is made of.
Chemical Reactivity Describes how matter behaves.
Physical change A change that does not affect the chemical makeup of a substance or object.
Chemical change A change in the chemical makeup of a substance.
Solid A substance that has definite shape and volume.
Liquid A substance that has a definite volume, but assumes the shape of its container.
Gas A substance that has neither a definite volume, nor a definite shape.
State of matter The physical state of a substance as a solid, liquid, or gas.
Change of state The conversion of a substance from one state to another – for example, from liquid to gas.
Pure substance A substance that has a uniform chemical composition
Mixture A blend of two or more substances, each of which retains its chemical identity.
Element A fundamental substance that cannot be broken down chemically into any simpler substances.
Chemical Compound A pure substance that can be broken down into simpler substances by chemical reactions.
Reactant A starting substance that undergoes change during a chemical reaction.
Product A substance formed as the result of a chemical reaction.
Chemical Reaction A process in which the identity and composition of one or more substances are changed.
Periodic Table A tabular format listing all known elements.
Metal A malleable element with a lustrous appearance that is a good conductor of heat and electricity.
Nonmetal An element that is a poor conductor of heat and electricity.
Metalloid An element whose properties are intermediate between those of a metal and a nonmetal.
Created by: opentoinput
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