ch 2 matter and change
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Ch 2 matter and Change. Classify the change. lighting a match A)CHEMICAL B) PHYSICAL. Please make your selection. Which subatomic particle plays the greatest part in determining the properties of an element? Aelectron Bproton Cneutron Dnucleus. Please make your selection. - PowerPoint PPT PresentationTRANSCRIPT
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CH 2 MATTER AND CHANGE
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CLASSIFY THE CHANGElighting a match
A)CHEMICALB) PHYSICAL
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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
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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.
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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
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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
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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
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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.
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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
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PLEASE MAKE YOUR SELECTIONOne chemical property of matter is
a. boiling point. b. texture. c. reactivity. d. density.
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CLASSIFY THE CHANGEwater evaporating
A)CHEMICALB) PHYSICAL
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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.
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CLASSIFY THE CHANGE chopping wood
A)CHEMICALB) PHYSICAL
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PLEASE MAKE YOUR SELECTIONWhich field of science studies the composition and structure of matter?
A biology B geology C chemistry D physics
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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
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PLEASE MAKE YOUR SELECTIONWhich of the following is a chemical property?
A ability to react with oxygen
B color C freezing point D hardness
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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.
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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
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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
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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.
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CLASSIFY THE CHANGEice melting
A)CHEMICALB) PHYSICAL