A compound is
a substance made of 2 or more atoms that are chemically bonded that can be broken down into simpler stable substances
What happens to the energy in a substance when it changes state?
it changes form but is neither destroyed nor increased
A homogeneous mixture is also
a solution
A physical change occurs when a
glue gun melts a glue stick
the liquid state of matter can be described as

having a definite volume but not a definite shape

noble gases are in Group 18 and are bes known b/c they are
Plasma is the 4th state of matter in plasma state
atoms lose electrons
A state of matter in which a material has no definite shape but has a definite volume is the
liquid state
If a mixture is not uniform throughout it is called
a chemical change occurs when
a leaf changes color in fall
which of the followning is an intensive property of matter
A solid substance is
always the same shape regardless of its container
A nonmetal is usually
what is an extensive property of matter


It is easy to determine whether a substance is a metal if the substance is
a good electrical and heat conductor
Under ordinary conditions of temp. and pressure the particles in a gas are
very far from one another
a mixture is
a blend of any 2 or more kinds of matter, as long as each maintains its own unique properties
Which of the following is an example of a heterogeneous mixture?


Metalloids are often
if a mixture is in uniform composition it is said to be
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