Properties And Changes Of Matter Part 3 Question Preview (ID: 9354)


Students Prepare For Their Test On Properties And Changes Of Matter. TEACHERS: click here for quick copy question ID numbers.

Which state of matter usually has the greatest density?
a) solid
b) liquid
c) gas
d) plasma

Calculate the density of a cube with a volume of 3 milliliters and a mass of 15 grams
a) 1/5 of a gram per milliliter
b) 5 grams per milliliter
c) 10 grams per milliliter
d) 8 grams per milliliter

Water is formed when:
a) a carbon atoms reacts with four oxygen atoms
b) 2 hydrogen atoms react with one oxygen atom
c) sodium reacts with chlorine
d) two hydrogen atoms react with two oxygen atoms

The atoms of a gas:
a) are tightly packed and vibrating
b) are very fast moving and far spread out
c) are very slow moving and slightly spread out
d) are chemically reacting to form a new substance

The melting point describes the temperature at which:
a) a liquid turns into a gas
b) a solid changes directly to a gas
c) a solid changes to a liquid
d) plasma becomes a gas

Which statement is true when comparing elements and compounds?
a) elements and combines can both be broken down by chemical means
b) compounds contain only one type of atom, while elements contain two or more types of atoms
c) elements can be broken down by chemical means, but compounds can not
d) elements have one type of atom, while compounds have two or more.

a mixture that is the same throughout is
a) heterogenous
b) an allotrope
c) homogenous
d) an alloy

How many atoms of the same element do diatomic elements have?
a) 1
b) 2
c) 3
d) 4

How are physical changes different from chemical changes?
a) physical changes change the identity of the substance
b) physical changes can not be reversed
c) chemical changes involve a change in the state of matter
d) chemical changes can not be reversed by physical means

Which property of aluminum allows it to be rolled into thin sheets to make aluminum foil?
a) malleability
b) ductility
c) reactivity
d) flammability

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