ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
What is the term used for findings that are summarized based on a pattern or trend?
la
tz
a. Law
sh
b. Hypothesis
Sp
c. Theory
d. Phenomena ne
la
e. Prediction - ANSWER--a. Law
sh
Sp
ne
Which of the following is a tentative explanation for a set of observations?
Select one:
la
a. Law
tz
sh
b. Hypothesis
Sp
ne
c. Theory
d. Phenomena
la
e. Prediction - ANSWER--b. Hypothesis
sh
Sp
If a liquid contains 60% sugar and 40% water throughout its composition then
ne
what is it called?
la
Select one:
tz
sh
a. Solute
Sp
b. Compound
ne
c. Homogeneous mixture
la
d. Heterogeneous mixture
e. Solvent - ANSWER--c. Homogeneous mixture
sh
Sp
ne
Which of the following does not have a uniform composition throughout?
la
Select one:
tz
a. Element sh
Sp
b. Compound
ne
c. Homogeneous mixture
la
d. Heterogeneous mixture
e. Solvent - ANSWER--d. Heterogeneous mixture
sh
Sp
ne
Which one of these represents a physical change?
a
Select one:
tz
a. Water, when heated, forms steam.
l
sh
Sp
b. Bleach turns hair yellow.
ne
c. Sugar, when heated, becomes brown.
la
d. Milk turns sour.
sh
Sp
la
Sp
, ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
e. Apples, when exposed to air, turn brown. - ANSWER--a. Water, when heated,
la
tz
forms steam.
sh
Sp
ne
How many micrograms are in 65.3 kg?
Select one:
la
a. 0.653 μg
sh
b. 6.53 × 107 μg
Sp
c. 6.53 × 104 μg
ne
d. 6.53 × 10-8 μg
la
e. 6.53 × 1010 μg - ANSWER--e. 6.53 × 1010 μg
tz
sh
Sp
ne
A smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0
millimeters (depth). What is the volume of the smart phone in cubic centimeters?
la
(1 in = 2.54 cm)
sh
Select one:
Sp
a. 58 cm3
ne
b. 1.7 x 105 cm3
la
c. 90 cm3
tz
sh
d. 3.4 cm3
Sp
e. 34 cm3 - ANSWER--a. 58 cm3
ne
la
Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to
Select one:
sh
Sp
a. 16.4 in3
ne
b. 6.45 in3
la
c. 0.394 in3
tz
d. 0.155 in3 sh
Sp
e. 0.0610 in3 - ANSWER--e. 0.0610 in3
ne
la
What terms defines a mass which is exactly equal to 1/12 the mass of one carbon-
12 atom?
sh
Sp
ne
Select one:
a
a. Isotope number
tz
b. Mass number
l
sh
Sp
c. Mass-to-charge ratio
ne
d. Atomic number
la
e. Atomic mass unit - ANSWER--e. Atomic mass unit
sh
Sp
la
Sp
, ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
la
tz
How many neutrons are there in an atom of lead whose mass number is 208?
sh
Sp
Select one:
a. 82 ne
la
b. 126
sh
c. 208
Sp
ne
d. 290
e. none of them - ANSWER--b. 126
la
tz
sh
Which of these elements is chemically similar to magnesium?
Sp
ne
Select one:
la
a. Sulfur
sh
b. Calcium
Sp
c. Iron
ne
d. Nickel
la
e. Potassium - ANSWER--b. Calcium
tz
sh
Sp
C(graphite) and C(diamond) are examples of:
ne
la
Select one:
a. isotopes of carbon.
sh
Sp
b. allotropes of carbon.
ne
c. the law of definite proportions.
la
d. different carbon ions. - ANSWER--b. allotropes of carbon.
tz
sh
Sp
The 80Br- ion has
ne
la
Select one:
a. 45 protons, 35 neutrons, 45 electrons.
sh
Sp
b. 35 protons, 45 neutrons, 34 electrons.
ne
c. 35 protons, 45 neutrons, 36 electrons.
a
d. 45 protons, 35 neutrons, 46 electrons.
tz
e. 35 protons, 45 neutrons, 46 electrons. - ANSWER--e. 35 protons, 45 neutrons,
l
sh
Sp
46 electrons.
ne
la
The formula for sodium sulfide is
sh
Sp
la
Sp
, ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
Select one: la
tz
a. NaS
sh
b. K2S
Sp
c. NaS2
d. Na2S ne
la
e. SeS - ANSWER--d. Na2S
sh
Sp
ne
Which one of the following formulas of ionic compounds is the least likely to be
correct?
la
Select one:
tz
sh
a. NH4Cl
Sp
ne
b. Ba(OH)2
c. Na2SO4
la
d. Ca2NO3
sh
e. Cu(CN)2 - ANSWER--d. Ca2NO3
Sp
ne
What is the name of ClO - ion?
la
Select one:
tz
sh
a. hypochlorite
Sp
b. chlorate
ne
c. chlorite
la
d. perchlorate
e. perchlorite - ANSWER--a. hypochlorite
sh
Sp
ne
Which of the following is a molecular formula for a compound with an empirical
la
formula of CH?
tz
Select one: sh
Sp
a. C2H6
ne
b. C3H9
la
c. C4H10
d. C6H6
sh
Sp
e. None of the answers is correct. - ANSWER--d. C6H6
ne
a
Which is the correct electron configuration for gold?
tz
l
sh
Sp
Select one:
ne
a. [Xe]4f145d96s2
la
b. [Xe]4f145d106s2
sh
Sp
la
Sp
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
What is the term used for findings that are summarized based on a pattern or trend?
la
tz
a. Law
sh
b. Hypothesis
Sp
c. Theory
d. Phenomena ne
la
e. Prediction - ANSWER--a. Law
sh
Sp
ne
Which of the following is a tentative explanation for a set of observations?
Select one:
la
a. Law
tz
sh
b. Hypothesis
Sp
ne
c. Theory
d. Phenomena
la
e. Prediction - ANSWER--b. Hypothesis
sh
Sp
If a liquid contains 60% sugar and 40% water throughout its composition then
ne
what is it called?
la
Select one:
tz
sh
a. Solute
Sp
b. Compound
ne
c. Homogeneous mixture
la
d. Heterogeneous mixture
e. Solvent - ANSWER--c. Homogeneous mixture
sh
Sp
ne
Which of the following does not have a uniform composition throughout?
la
Select one:
tz
a. Element sh
Sp
b. Compound
ne
c. Homogeneous mixture
la
d. Heterogeneous mixture
e. Solvent - ANSWER--d. Heterogeneous mixture
sh
Sp
ne
Which one of these represents a physical change?
a
Select one:
tz
a. Water, when heated, forms steam.
l
sh
Sp
b. Bleach turns hair yellow.
ne
c. Sugar, when heated, becomes brown.
la
d. Milk turns sour.
sh
Sp
la
Sp
, ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
e. Apples, when exposed to air, turn brown. - ANSWER--a. Water, when heated,
la
tz
forms steam.
sh
Sp
ne
How many micrograms are in 65.3 kg?
Select one:
la
a. 0.653 μg
sh
b. 6.53 × 107 μg
Sp
c. 6.53 × 104 μg
ne
d. 6.53 × 10-8 μg
la
e. 6.53 × 1010 μg - ANSWER--e. 6.53 × 1010 μg
tz
sh
Sp
ne
A smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0
millimeters (depth). What is the volume of the smart phone in cubic centimeters?
la
(1 in = 2.54 cm)
sh
Select one:
Sp
a. 58 cm3
ne
b. 1.7 x 105 cm3
la
c. 90 cm3
tz
sh
d. 3.4 cm3
Sp
e. 34 cm3 - ANSWER--a. 58 cm3
ne
la
Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to
Select one:
sh
Sp
a. 16.4 in3
ne
b. 6.45 in3
la
c. 0.394 in3
tz
d. 0.155 in3 sh
Sp
e. 0.0610 in3 - ANSWER--e. 0.0610 in3
ne
la
What terms defines a mass which is exactly equal to 1/12 the mass of one carbon-
12 atom?
sh
Sp
ne
Select one:
a
a. Isotope number
tz
b. Mass number
l
sh
Sp
c. Mass-to-charge ratio
ne
d. Atomic number
la
e. Atomic mass unit - ANSWER--e. Atomic mass unit
sh
Sp
la
Sp
, ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
la
tz
How many neutrons are there in an atom of lead whose mass number is 208?
sh
Sp
Select one:
a. 82 ne
la
b. 126
sh
c. 208
Sp
ne
d. 290
e. none of them - ANSWER--b. 126
la
tz
sh
Which of these elements is chemically similar to magnesium?
Sp
ne
Select one:
la
a. Sulfur
sh
b. Calcium
Sp
c. Iron
ne
d. Nickel
la
e. Potassium - ANSWER--b. Calcium
tz
sh
Sp
C(graphite) and C(diamond) are examples of:
ne
la
Select one:
a. isotopes of carbon.
sh
Sp
b. allotropes of carbon.
ne
c. the law of definite proportions.
la
d. different carbon ions. - ANSWER--b. allotropes of carbon.
tz
sh
Sp
The 80Br- ion has
ne
la
Select one:
a. 45 protons, 35 neutrons, 45 electrons.
sh
Sp
b. 35 protons, 45 neutrons, 34 electrons.
ne
c. 35 protons, 45 neutrons, 36 electrons.
a
d. 45 protons, 35 neutrons, 46 electrons.
tz
e. 35 protons, 45 neutrons, 46 electrons. - ANSWER--e. 35 protons, 45 neutrons,
l
sh
Sp
46 electrons.
ne
la
The formula for sodium sulfide is
sh
Sp
la
Sp
, ne
STRAIGHTERLINE CHEMISTRY FINAL EXAM
sh
TEST WITH COMPLETE SOLUTIONS
ne
Select one: la
tz
a. NaS
sh
b. K2S
Sp
c. NaS2
d. Na2S ne
la
e. SeS - ANSWER--d. Na2S
sh
Sp
ne
Which one of the following formulas of ionic compounds is the least likely to be
correct?
la
Select one:
tz
sh
a. NH4Cl
Sp
ne
b. Ba(OH)2
c. Na2SO4
la
d. Ca2NO3
sh
e. Cu(CN)2 - ANSWER--d. Ca2NO3
Sp
ne
What is the name of ClO - ion?
la
Select one:
tz
sh
a. hypochlorite
Sp
b. chlorate
ne
c. chlorite
la
d. perchlorate
e. perchlorite - ANSWER--a. hypochlorite
sh
Sp
ne
Which of the following is a molecular formula for a compound with an empirical
la
formula of CH?
tz
Select one: sh
Sp
a. C2H6
ne
b. C3H9
la
c. C4H10
d. C6H6
sh
Sp
e. None of the answers is correct. - ANSWER--d. C6H6
ne
a
Which is the correct electron configuration for gold?
tz
l
sh
Sp
Select one:
ne
a. [Xe]4f145d96s2
la
b. [Xe]4f145d106s2
sh
Sp
la
Sp
