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39 Cards in this Set

  • Front
  • Back
solid
the state of matter in which the substance has definite volume and definite
shape
reactant
a substance that reacts in a chemical change
pure substance
a substance that has a fixed composition and differs from a
mixture in that every sample of a given pure substance has exactly the same
characteristic properties and composition
product
a substance that is formed by a chemical change
plasma
a high-temperature physical state of matter in which atoms lose their
electrons
physical property
a characteristic that can be observed or measured without
changing the identity of the substance
physical change
a change in a substance that does not involve a change in the
identity of the substance
period
a horizontal row of elements in the periodic table
nonmetal
an element that is a poor conductor of heat and electricity
mixture
a blend of two or more kinds of matter, each of which retains its own
identity and properties
metalloid
an element that has some characteristics of metals and some
characteristics of nonmetals
metal
an element that is a good conductor of heat and electricity
matter
anything that has mass and takes up space
mass
a measure of the amount of matter
liquid
the state of matter in which the substance has a definite volume but an
indefinite shape
intensive property
a property that does not depend on the amount of matter
present
homogeneous
having a uniform composition throughout
heterogeneous
not having a uniform composition throughout
group
a vertical column of the periodic table
gas
the state of matter in which a substance has neither definite volume nor
definite shape
family
a vertical column of the periodic table
extensive property
a property that depends on the amount of matter that is
present
element
a pure substance made of only one kind of atom
compound
a substance that is made from the atoms of two or more elements
that are chemically bonded
chemistry
the study of the composition, structure, and properties of matter and
the changes it undergoes
chemical reaction
a reaction in which one or more substances are converted
into different substances
chemical property
the ability of a substance to undergo a change that
transforms it into a different substance
chemical change
a change in which one or more substances are converted into
different substances
chemical
any substance that has a definite composition
change of state
a physical change of a substance from one state to another
atom
the smallest unit of an element that maintains the properties of that
element
Organic chemistry
the study of most carbon-containing compounds
Inorganic
the study of all substances not classified as organic,mainly those compounds that do not caontain carbon
Physical chemistry
the study of the properties and changes of matter and their relation to energy
Analytical chemistry
the identification of the components and composition of materials
Biochemsitry
the study of substances and processes occuring in living things
Theoretical chemistry
the use of mathematics and computers to understnd the priciples behind observed chemical behavior and to design and predict the properties of new compunds
Basic research
carried out for the sake of increasing knowledge, such as how and why a specific reacton occurs and what the properties of a substance are.-- Teflon
Applied research
generally carried out to sove a problem -- AIDS