Ch 2 matter and Change
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Transcript of Ch 2 matter and Change
CH 2 MATTER AND CHANGE
CLASSIFY THE CHANGElighting a match
A)CHEMICALB) PHYSICAL
PLEASE MAKE YOUR SELECTIONWhich subatomic particle plays the greatest part in determining the properties of an element?
A electron B proton C neutron D nucleus
PLEASE MAKE YOUR SELECTIONA good definition of a chemical is
any substance that a. causes corrosion. b. has a definite composition.
c. is hazardous. d. is used in industrial processes.
PLEASE MAKE YOUR SELECTIONThe smallest particle of an element that retains the properties of that element is a(n) ____.
A proton B atom C electron D neutron
PLEASE MAKE YOUR SELECTIONWhen paper turns yellow-brown upon
exposure to sunlight, what type of change is likely taking place?
A neither a physical change nor a chemical change
B a physical change C both a physical change and a
chemical change D a chemical change
PLEASE MAKE YOUR SELECTION
Which state of matter takes both the shape and volume of its container?
A solid B liquid only C gas only D both b and c
PLEASE MAKE YOUR SELECTIONThe state of matter in which a material is most likely to resist
compression is the a. solid state. b. liquid state. c. gaseous state. d. vaporous state.
PLEASE MAKE YOUR SELECTION
Which state of matter has a definite volume and takes the shape of its container?
A solid B liquid only C gas only D both b and c
PLEASE MAKE YOUR SELECTIONOne chemical property of matter is
a. boiling point. b. texture. c. reactivity. d. density.
CLASSIFY THE CHANGEwater evaporating
A)CHEMICALB) PHYSICAL
PLEASE MAKE YOUR SELECTIONMercury(II) oxide decomposes into
mercury and oxygen. In thisreaction, mercury is a. a reactant. b. a product. c. a foul-smelling substance. d. sometimes a reactant and sometimes a product.
CLASSIFY THE CHANGE chopping wood
A)CHEMICALB) PHYSICAL
PLEASE MAKE YOUR SELECTIONWhich field of science studies the composition and structure of matter?
A biology B geology C chemistry D physics
PLEASE MAKE YOUR SELECTIONWhat type of matter is formed when
two or more elements chemicallyjoin together? a. compound b. element c. heterogeneous mixture d. homogeneous mixture
PLEASE MAKE YOUR SELECTIONWhich of the following is a chemical property?
A ability to react with oxygen
B color C freezing point D hardness
PLEASE MAKE YOUR SELECTIONA chemical change occurs when a. dissolved minerals solidify to form a crystal.
b. ethanol is purified through distillation.
c. salt deposits form from evaporated seawater.
d. a leaf changes color.
PLEASE MAKE YOUR SELECTIONMatter that is free to move and
fills its available volume is in the ______
state. a. liquid b. solid c. gaseous d. elemental
PLEASE MAKE YOUR SELECTION Which of the following
observations does not indicate that a chemical
change has occurred? a. change of state b. formation of a precipitate c. absorption of energy d. release of a gas
PLEASE MAKE YOUR SELECTIONWhich of the following shows a
physical change occurring? a. A peach spoils. b. A copper bowl tarnishes. c. A piece of jewelry turns your skin green.
d. A hot-glue gun melts a glue stick.
CLASSIFY THE CHANGEice melting
A)CHEMICALB) PHYSICAL