Chem 1020 Final Exam ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS
On a Periodic Table, the columns of elements with similar groups
properties are
groups.
periods.
metals.
Rows.
The numbers 1 through 4 are used to identify four 1
different elements on the periodic table. Which element
is expected to have 2+ charge when it forms an ion?
3
4
1
2
,A recent set of advertisements has a picture of an cradle-to-cradle.
aluminum can with an aluminum-frame bicycle, along with
a hypothetical quote from the can that reads: "I want to
be a bike. Recycle me." The analysis of the life cycle of an
item starting with its raw materials and ending with the
used item becoming the raw material for new products is
called
cradle-to-grave.
cost-benefit analysis.
cradle-to-cradle.
reusability.
Which of the following is a pure substance? Silver wire
Concrete
Gasoline
Silver wire
Lemonade
The quantity 0.0000064 g expressed in scientific notation. 6.4 × 10¯6 g
6.4 × 10¯6 g
6.4 × 107 g
6.4 × 106 g
6.4 × 10¯7 g
Which one of the following is an example of a A glass of pulp-free lemonade
homogeneous mixture?
A carbonated beverage
A glass of pulp-free lemonade
A bowl of cereal in milk
A chocolate chip cookie
Which corresponds to the composition of the ion D
typically formed by magnesium?
D
B
A
C
, The nucleus of an atom contains protons and neutrons only.
protons only.
electrons, protons, and neutrons.
electrons and protons only.
protons and neutrons only.
Which one of the following is a subatomic particle Protons
located in the center of the atom and has a positive
charge?
Photons
Neutrons
Electrons
Protons
Which corresponds to the composition of the ion B
typically formed by fluorine? (Note: Remember that fluorine is a halogen that needs one electron to make an
octet.)
A
D
B
C
Air is a(n) mixture.
compound.
mixture.
pure substance.
element.
Currently, the primary source of sulfur dioxide emissions coal burning power plants.
into the atmosphere is
coal burning power plants.
plastic manufacturing.
diesel trucks.
gasoline-powered lawnmowers.
On a Periodic Table, the columns of elements with similar groups
properties are
groups.
periods.
metals.
Rows.
The numbers 1 through 4 are used to identify four 1
different elements on the periodic table. Which element
is expected to have 2+ charge when it forms an ion?
3
4
1
2
,A recent set of advertisements has a picture of an cradle-to-cradle.
aluminum can with an aluminum-frame bicycle, along with
a hypothetical quote from the can that reads: "I want to
be a bike. Recycle me." The analysis of the life cycle of an
item starting with its raw materials and ending with the
used item becoming the raw material for new products is
called
cradle-to-grave.
cost-benefit analysis.
cradle-to-cradle.
reusability.
Which of the following is a pure substance? Silver wire
Concrete
Gasoline
Silver wire
Lemonade
The quantity 0.0000064 g expressed in scientific notation. 6.4 × 10¯6 g
6.4 × 10¯6 g
6.4 × 107 g
6.4 × 106 g
6.4 × 10¯7 g
Which one of the following is an example of a A glass of pulp-free lemonade
homogeneous mixture?
A carbonated beverage
A glass of pulp-free lemonade
A bowl of cereal in milk
A chocolate chip cookie
Which corresponds to the composition of the ion D
typically formed by magnesium?
D
B
A
C
, The nucleus of an atom contains protons and neutrons only.
protons only.
electrons, protons, and neutrons.
electrons and protons only.
protons and neutrons only.
Which one of the following is a subatomic particle Protons
located in the center of the atom and has a positive
charge?
Photons
Neutrons
Electrons
Protons
Which corresponds to the composition of the ion B
typically formed by fluorine? (Note: Remember that fluorine is a halogen that needs one electron to make an
octet.)
A
D
B
C
Air is a(n) mixture.
compound.
mixture.
pure substance.
element.
Currently, the primary source of sulfur dioxide emissions coal burning power plants.
into the atmosphere is
coal burning power plants.
plastic manufacturing.
diesel trucks.
gasoline-powered lawnmowers.
