Chemistry 101 Final Exam Practice
exam Questions and answers past
papers
A ____ is an explanation of general principles related to a specific, scientific
answer ✅
phenomenon that is supported by a large body of evidence or facts. - correct
theory
significant figures. 36.000mm/21.59mm = ____ - correct answer ✅
Determine the result for the following calculation to the correct number of
1.667 mm
answer ✅
The Kelvin temperature scale is part of the SI system of measurements. - correct
True
CO2(s) --> CO2(g) - correct answer ✅
The sublimation of carbon dioxide (CO2) is an example of a physical change.
True
✅
Which of the following measurements has 4 significant figures? - correct answer
0.2190
The toxicology report establishes that the target or accepted value of fentanol in
but not accurate? - correct answer ✅
the specimen was 70.0 mg./L. Which of the following experimental data is precise
6.8mg/L; 7.0mg/L; 6.9mg/L
container. - correct answer ✅
A solid is the state of matter that has definite volume but takes on the shape of its
False
The last digit in a measurement is the uncertain digit. - correct answer ✅ True
, Chemistry 101 Final Exam Practice
exam Questions and answers past
papers
The factor (value) for the SI prefix micro, u, is - correct answer
(0.000001)
✅
10^-6
✅
A heterogenous mixture has uniform composition throughout it. - correct answer
False
correct answer ✅
Calculate the wavelength a photon of radiation with a frequency 1.119x10⁸ Hz. -
2.679 m
Identify the noble gas in the same period as copper. - correct answer
Kr
✅ Krypton,
correct answer ✅
Atomic orbitals are the general regions in an atom where electrons are located. -
True
Oxygen has six valence electrons. - correct answer ✅ True
correct answer ✅
Which neutral atom has the following electron configuration? 1s²2s²2p⁶3s²3p¹ -
Al, Aluminum
omitted. - correct answer ✅
In an abbreviation electron configuration, the atom's valence electrons are
False
exam Questions and answers past
papers
A ____ is an explanation of general principles related to a specific, scientific
answer ✅
phenomenon that is supported by a large body of evidence or facts. - correct
theory
significant figures. 36.000mm/21.59mm = ____ - correct answer ✅
Determine the result for the following calculation to the correct number of
1.667 mm
answer ✅
The Kelvin temperature scale is part of the SI system of measurements. - correct
True
CO2(s) --> CO2(g) - correct answer ✅
The sublimation of carbon dioxide (CO2) is an example of a physical change.
True
✅
Which of the following measurements has 4 significant figures? - correct answer
0.2190
The toxicology report establishes that the target or accepted value of fentanol in
but not accurate? - correct answer ✅
the specimen was 70.0 mg./L. Which of the following experimental data is precise
6.8mg/L; 7.0mg/L; 6.9mg/L
container. - correct answer ✅
A solid is the state of matter that has definite volume but takes on the shape of its
False
The last digit in a measurement is the uncertain digit. - correct answer ✅ True
, Chemistry 101 Final Exam Practice
exam Questions and answers past
papers
The factor (value) for the SI prefix micro, u, is - correct answer
(0.000001)
✅
10^-6
✅
A heterogenous mixture has uniform composition throughout it. - correct answer
False
correct answer ✅
Calculate the wavelength a photon of radiation with a frequency 1.119x10⁸ Hz. -
2.679 m
Identify the noble gas in the same period as copper. - correct answer
Kr
✅ Krypton,
correct answer ✅
Atomic orbitals are the general regions in an atom where electrons are located. -
True
Oxygen has six valence electrons. - correct answer ✅ True
correct answer ✅
Which neutral atom has the following electron configuration? 1s²2s²2p⁶3s²3p¹ -
Al, Aluminum
omitted. - correct answer ✅
In an abbreviation electron configuration, the atom's valence electrons are
False
