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25 Cards in this Set

  • Front
  • Back
the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes
a measure of the amount of matter
anything that has mass and takes up space
the smallest unit of an element that maintains the chemical identity of that element
a pure substance that cannot be broken down into simpler, stalbe substances and is made of one type of atom.
a substance that can be broken down into simple stable substances. each compound is made from the atoms of two or more elements that are chemically bonded
depend on the amount of matter that is present
extensive property
do not depend on the amount of matter present
intensive property
a characteristic that can be observed or measured without changing the identity of the substance
physical property
a change in a substance that does not involve a change in the identity of the substance
phsical change
a physical change of a subtance from one state to another
change of state
matter that has a definite volume and definite shape
matter that has a definite volume but an indefinite shape
matter that has neither definite volume nor definite shape
high-temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms
relates to a substance's ability to undergo changes that transform it into different substances
chemical property
a change in which one or more substances are converted into different substances
chemical change
chemical reaction
the substances that are formed by the chamical change
the substances that react in a chemical change
the vertical columns of the periodic table
group or family
the horizontal rows of elements in the periodic table
a logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses and formulating theories that are supported by data
scientific method
testable statement
in science is more than a physical object; it is often and explantion of how phenomena occur and how data or events are related
a broad generalization that explains a body of facts or phenomena