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Chemistry Vocab Ch.1

QuestionAnswer
study of the composition, structure, and properties of matter and the changes it undergoes. chemistry
any substance that has a definite composition chemical
measure of the amount of matter mass
anything that has mass and takes up space matter
pure substance made of only one kind on atom element
substance that is made from the atoms of two or more elements a that are chemically bonded compound
properties that do not depend on the amount of matter present intensive
properties that depend on the amount of matter that is present extensive
characteristic that can be measured without changing the identity of the substance physical property
relates to a substance's ability to undergo changes that transform it into different substances chemical property
change in a substance that does not involve a change in the identity of a substance physical change
matter in this state has definite volume and definite shape solid
matter has a definite volume but indefinite shape liquid
has neither definite volume nor definite shape gas
high temperature physical state of matter in which atoms loose their electrons plasma
the substance that reacts in a chemical change reactant
substance formed by a chemical change product
has a fixed composition and differs from a mixture in that every sample has the same characteristic properties and composition pure substance
blend of two or more kinds of matter, each of which retains its own identity and properties mixture
uniform in composition homozygous
not uniform throughout heterozygous
vertical columns of the periodic table group or family
horizontal rows of elements in the periodic table period
element that is a good conductor of heat and electricity metal
element that is a poor conductor of heat and electricity nonmetal
element that has some characteristics of metals and some of nonmetals metalloid
chemical change a change in which one or more substances combine or break apart to form new substances
study of the properties and changes of matter and their relation to energy physics
Created by: ebony5407