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