STRAIGHTERLINE CHEMISTRY FINAL Exam Newest 2026
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Terms in this set (318)
What is the term used for findings that are summarized a. Law
based on a pattern or trend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
Which of the following is a tentative explanation for a b. Hypothesis
set of observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
If a liquid contains 60% sugar and 40% water c. Homogeneous mixture
throughout its composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
,Which of the following does not have a uniform d. Heterogeneous mixture
composition throughout?
Select one:
a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Which one of these represents a physical change? a. Water, when heated, forms steam.
Select one:
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown.
How many micrograms are in 65.3 kg? e. 6.53 × 1010 μg
Select one:
a. 0.653 μg
b. 6.53 × 107 μg
c. 6.53 × 104 μg
d. 6.53 × 10-8 μg
e. 6.53 × 1010 μg
A smart phone has dimensions of 4.9 inches (height), 2.3 a. 58 cm3
inches (width) and 8.0 millimeters (depth). What is the
volume of the smart phone in cubic centimeters? (1 in =
2.54 cm)
Select one:
a. 58 cm3
b. 1.7 x 105 cm3
c. 90 cm3
d. 3.4 cm3
e. 34 cm3
Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to e. 0.0610 in3
Select one:
a. 16.4 in3
b. 6.45 in3
c. 0.394 in3
d. 0.155 in3
e. 0.0610 in3
What terms defines a mass which is exactly equal to 1/12 e. Atomic mass unit
the mass of one carbon-12 atom?
Select one:
a. Isotope number
b. Mass number
c. Mass-to-charge ratio
d. Atomic number
e. Atomic mass unit
, How many neutrons are there in an atom of lead whose b. 126
mass number is 208?
Select one:
a. 82
b. 126
c. 208
d. 290
e. none of them
Which of these elements is chemically similar to b. Calcium
magnesium?
Select one:
a. Sulfur
b. Calcium
c. Iron
d. Nickel
e. Potassium
C(graphite) and C(diamond) are examples of: b. allotropes of carbon.
Select one:
a. isotopes of carbon.
b. allotropes of carbon.
c. the law of definite proportions.
d. different carbon ions.
The 80Br- ion has e. 35 protons, 45 neutrons, 46 electrons.
Select one:
a. 45 protons, 35 neutrons, 45 electrons.
b. 35 protons, 45 neutrons, 34 electrons.
c. 35 protons, 45 neutrons, 36 electrons.
d. 45 protons, 35 neutrons, 46 electrons.
e. 35 protons, 45 neutrons, 46 electrons.
The formula for sodium sulfide is d. Na2S
Select one:
a. NaS
b. K2S
c. NaS2
d. Na2S
e. SeS
Complete Questions and Correct Detailed Answers
(Verified Answers) |Already Graded A+
Leave the first rating
Save
Students also studied
Flashcard sets Study guides
Straighterline Chemistry Final- deck ... College Algebra 1 Terms StraighterLine A&P I Final Exam A&
Teacher 50 terms Teacher 29 terms 64 terms 76
freannjoroge Preview lynettegee Preview digitaldeals822 Preview
Terms in this set (318)
What is the term used for findings that are summarized a. Law
based on a pattern or trend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
Which of the following is a tentative explanation for a b. Hypothesis
set of observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
If a liquid contains 60% sugar and 40% water c. Homogeneous mixture
throughout its composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
,Which of the following does not have a uniform d. Heterogeneous mixture
composition throughout?
Select one:
a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Which one of these represents a physical change? a. Water, when heated, forms steam.
Select one:
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown.
How many micrograms are in 65.3 kg? e. 6.53 × 1010 μg
Select one:
a. 0.653 μg
b. 6.53 × 107 μg
c. 6.53 × 104 μg
d. 6.53 × 10-8 μg
e. 6.53 × 1010 μg
A smart phone has dimensions of 4.9 inches (height), 2.3 a. 58 cm3
inches (width) and 8.0 millimeters (depth). What is the
volume of the smart phone in cubic centimeters? (1 in =
2.54 cm)
Select one:
a. 58 cm3
b. 1.7 x 105 cm3
c. 90 cm3
d. 3.4 cm3
e. 34 cm3
Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to e. 0.0610 in3
Select one:
a. 16.4 in3
b. 6.45 in3
c. 0.394 in3
d. 0.155 in3
e. 0.0610 in3
What terms defines a mass which is exactly equal to 1/12 e. Atomic mass unit
the mass of one carbon-12 atom?
Select one:
a. Isotope number
b. Mass number
c. Mass-to-charge ratio
d. Atomic number
e. Atomic mass unit
, How many neutrons are there in an atom of lead whose b. 126
mass number is 208?
Select one:
a. 82
b. 126
c. 208
d. 290
e. none of them
Which of these elements is chemically similar to b. Calcium
magnesium?
Select one:
a. Sulfur
b. Calcium
c. Iron
d. Nickel
e. Potassium
C(graphite) and C(diamond) are examples of: b. allotropes of carbon.
Select one:
a. isotopes of carbon.
b. allotropes of carbon.
c. the law of definite proportions.
d. different carbon ions.
The 80Br- ion has e. 35 protons, 45 neutrons, 46 electrons.
Select one:
a. 45 protons, 35 neutrons, 45 electrons.
b. 35 protons, 45 neutrons, 34 electrons.
c. 35 protons, 45 neutrons, 36 electrons.
d. 45 protons, 35 neutrons, 46 electrons.
e. 35 protons, 45 neutrons, 46 electrons.
The formula for sodium sulfide is d. Na2S
Select one:
a. NaS
b. K2S
c. NaS2
d. Na2S
e. SeS
