Basic Concepts About Matter Flashcards
The state of matter observed for a particular substance is dependent on its a) size and shape b) temperature and pressure c) weight and length d) time and distance e) pressure and density
b) temperature and pressure
Matter can best be defined as anything that
a) is visible with defined dimensions
b) is invisible
c) occupies space
d) has shape
e) has mass and occupies space
e) has mass and occupies space
\_\_\_\_\_\_\_\_\_\_ can be described in terms of its states, physical and chemical properties. a) An element b) A compound c) An atom d) Matter e) A molecule
d) Matter
Matter can exist in __________ different physical states.
a) one
b) two
c) three
d) four
e) five
c) three
Transformations between states and properties of a matter are
a) impossible
b) possible
c) difficult
d) infrequent
e) prohibitive
b) possible
An example of an extensive property of a substance is
a) colour
b) boiling point
c) mass
d) freezing point
e) density
c) mass
Which is not an example of a physical property of a material? a) its colour b) its boiling point c) its odour d) its reactive properties e) its density
d) its reactive properties
An example of a physical property is the
a) formation of smoke
b) rusting of steel
c) melting point of a substance
d) burning of coal
e) burning of wood
c) melting point of a substance
An example of a chemical property is the
a) formation of steam from water
b) melting point of a metal
c) formation of ice from water
d) formation of rust on a metal
e) melting point of ice
d) formation of rust on a metal
The density of water is __________ g/ml.
a) 1
b) 2
c) 3
d) 4
e) 5
a) 1
An intensive (physical) property is one that is
a) dependent on the amount of matter
b) not dependent on the amount of matter
c) dependent on the volume
d) dependent on the amount of mass
e) dependent on the amount of pressure applied
b) not dependent on the amount of matter
An extensive (physical) property is one that is
a) dependent on the amount of matter
b) not dependent on the amount of matter
c) dependent on the volume
d) dependent on the amount of mass
e) dependent on the amount of pressure applied
a) dependent on the amount of matter
Which of the following involves a chemical change? a) burning natural gas b) melting steel c) sublimation of CO 2 d) evaporation of alcohol e) the freezing of water
a) burning natural gas
Which is an example of a physical change in a material?
a) melting
b) evaporation
c) condensation
d) sublimation
e) all of the above
e) all of the above
When the composition of a substance is not altered but its state is, this is called a) physical change b) chemical change c) physical property d) chemical property e) homogeneous property
a) physical change
An example of a physical change is
a) specific heat
b) melting of lead
c) burning of coal
d) rust on steel
e) burning of fuel oil
b) melting of lead
When the composition of a substance is altered and as a
result it is no longer the same substance, this is called a
a) physical property
b) chemical property
c) physical change
d) chemical change
e) heterogeneous change
d) chemical change
An example of a chemical change is
a) melting of lead
b) steam to water
c) burning of coal
d) water to ice
e) heat of fusion
c) burning of coal
If a substance goes through a process that changes its
composition so that it is no longer the same substance, then
it is said that the substance has undergone a
a) physical change
b) heterogeneous change
c) homogeneous change
d) chemical change
e) physical property
d) chemical change
Which of the following represent homogenous mixtures?
a) an emulsion of oil and water
b) flue gas
c) a mixture of sand and water
d) metal alloys
e) b and d
e) b and d
Pure substances are
a) homogeneous and heterogeneous
b) homogeneous mixtures
c) compounds and elements
d) heterogeneous mixtures
e) varied in composition
c) compounds and elements
Any substance composed of two or more elements which are combined chemically is a a) chemical change b) physical change c) mixture d) compound e) molecule
d) compound
Any substance which cannot be broken down into other
substances or ingredients by chemical means is
a) a mixture
b) a compound
c) an electron
d) an atom
e) an element
e) an element
Any substance which consists of different elements or compounds, or both is a) an atom b) a mixture c) a solution d) an element e) a compound
b) a mixture
If there is a material that cannot be separated into any other individual materials by any chemical means, then it is called a) an atom b) a compound c) a mixture d) a molecule e) an element
e) an element
A material made up of two or more elements in chemical combination represents a a) chemical change b) physical change c) compound d) mixture e) molecule
c) compound
Any material made up of distinct elements, compounds, or
both, not chemically combined with each other represents
a) an atomic structure
b) a mixture
c) a molecule
d) an element compound
e) a compound
b) a mixture
An example of a homogeneous mixture is
a) emulsion
b) sand and water
c) flue gas
d) soda water
e) acid
c) flue gas
An example of a homogeneous mixture of solid elements is
a) metal alloy
b) stainless steel
c) concrete
d) plastic
e) wood
a) metal alloy
An example of a heterogeneous mixture is
a) sand and water
b) soda water
c) acid
d) flue gas
e) metal alloys
a) sand and water
An example of a heterogeneous mixture is
a) acid
b) flue gas
c) metal alloys
d) soda water
e) oil and water emulsion
e) oil and water emulsion
The Periodic Table lists all of the known
a) elements
b) mixtures
c) compounds
d) matter
e) substances
a) elements
The periodic table
a) arranges elements in equal numbers of columns and rows
b) arranges elements in descending order of atomic number
c) reflects the similar chemical properties of some elements
d) has sixteen distinct groups
e) provides no information besides the chemical symbol of
the element
c) reflects the similar chemical properties of some elements
