Unit 2 Chemistry Practice Test - Structures and Properties of Matter
KNOWLEDGE COMMUNICATION APPLICATION THINKING TOTAL
/45 /30 /25 /12 /112
PART I - [KNOWLEDGE] - MULTIPLE CHOICE, TRUE & FALSE, MATCHING
Select the best possible answer for each [20K]
1. A wave can be described by 2. If n = 3 and l = 2, the orbital would be
a. Wavelength c. Both a & b a. 2s c. 3d
b. Frequency d. Amplitude b. 2d d. 3p
3. A wave is best defined as 4. If n = 1 and l = 0, the orbital would be
a. An oscillation c. Crest to crest a. 1s c. 1p
b. Repeating oscillation d. Both a & c b. s1 d. 1d
5. ________ produced quantum mechanics 6. Quantum mechanics is NOT a
a. Erwin Schrodinger c. Both a & d a. Mathematical Equation c. Depiction of the atom
b. Albert Einstein d. Heisenberg b. Current diagram d. Complex theory
7. ________ came up with the photon 8. Metals can’t form
a. Max Planck c. Einstein a. Ionic bonds c. Hydrogen Bonds
b. Neils Bohr d. Both a & c b. Covalent Bonds d. All of the above
9. Evidence for orbitals was proved from ____ 10.London forces can also be named _______ forces
a. Spectroscopy c. The EM spectrum a. Pearson c. Diversion
b. The line spectra d. Both a & c b. Dispersion d. Pearson Airport
11.Evidence for the position of electrons in space 12.Pi bonds form from ______ overlap of ______
came from _______ a. End to end, P orbitals c. End to end, S orbitals
a. Spectroscopy c. Both b & d b. Side to side, S orbitals d. Side to side, P orbitals
b. The line spectra d. The EM spectrum
13.What's the order of longest to shortest 14.Sigma bonds form from _____ overlap of ______
wavelengths? a. Side to side, [S, P] orbitals c. Side to side, S orbitals
a. Radio, Infrared, Visible c. Micro, Visible, Gamma b. End to end, [S, P] orbitals d. End to end, S orbitals
b. UV, Radio, Gamma d. X-ray, UV, Micro
15._______ proposed that the atom was like that of a 16.Intramolecular forces are between
billiard ball a. Ions on ionic solids c. Atoms in covalent solids
a. Ernest Rutherford c. JJ Thompson b. Molecules d. Both a & c
b. Max Planck d. John Dalton
17.The quantum mechanics model of the atom 18.PCl3 would form a ______ centered hybrid orbital
includes a. sp c. spd
a. Orbitals c. Orbits b. sp^2 d. sp^3
b. Both a & d d. Energy levels
19.The decreasing energy order for orbitals is 20.Octahedron, Linear AX and See-Saw shapes are
a. SPDF c. FSPD a. Polar, non-polar, polar c. Polar, Polar, Polar
b. DFSP d. FDPS b. Non-polar, non-polar, polar d. Non-polar, polar, polar
, Unit 2 Chemistry Practice Test - Structures and Properties of Matter
State whether the following are either true (T) or false (F) [15K]
1. ___ Albert Einstein discovered the photoelectric effect
2. ___ Energy and frequency are inversely proportional to each other
3. ___ Wavelength and frequency are inversely proportional to each other
4. ___ BF3 is a polar molecule and has polar bonds
5. ___ Carbon can form a maximum of 2 covalent bonds in its ground state
6. ___ Resonance structures exist
7. ___ Hybridization is applied to an isolated atom
8. ___ Hybridization requires energy that isn’t recovered during bond formation
9. ___ Polarity is only indicated with a charge vector
10.___ Max Planck was the main person who suggested that light is quantized
11. ___ An sp^3 orbital has two identical lobes
12.___ An sp orbital has two identical lobes
13.___ Anything below an electronegativity difference of 0.3 is a pure covalent bond
14.___ Electronegativity values can’t be negative
15.___ Covalent bonds are 1/10th as strong as H-bonds, but are the strongest kind of intermolecular force
Match the corresponding letter to the correct placements on the right [10K]
A. Neils Bohr ___ Proposed that all forms of light travel in electric and
magnetic components and that light could act on
B. Erwin Schrodinger charged particles
C. JJ Thompson ___ Proposed that matter can only lose or gain energy in
whole number multiples only
D. Max Planck
___ Used ideas from Einstein and Broglie
E. James Maxwell
___ Used ideas from Einstein and Planck
___ Discovered the electron
KNOWLEDGE COMMUNICATION APPLICATION THINKING TOTAL
/45 /30 /25 /12 /112
PART I - [KNOWLEDGE] - MULTIPLE CHOICE, TRUE & FALSE, MATCHING
Select the best possible answer for each [20K]
1. A wave can be described by 2. If n = 3 and l = 2, the orbital would be
a. Wavelength c. Both a & b a. 2s c. 3d
b. Frequency d. Amplitude b. 2d d. 3p
3. A wave is best defined as 4. If n = 1 and l = 0, the orbital would be
a. An oscillation c. Crest to crest a. 1s c. 1p
b. Repeating oscillation d. Both a & c b. s1 d. 1d
5. ________ produced quantum mechanics 6. Quantum mechanics is NOT a
a. Erwin Schrodinger c. Both a & d a. Mathematical Equation c. Depiction of the atom
b. Albert Einstein d. Heisenberg b. Current diagram d. Complex theory
7. ________ came up with the photon 8. Metals can’t form
a. Max Planck c. Einstein a. Ionic bonds c. Hydrogen Bonds
b. Neils Bohr d. Both a & c b. Covalent Bonds d. All of the above
9. Evidence for orbitals was proved from ____ 10.London forces can also be named _______ forces
a. Spectroscopy c. The EM spectrum a. Pearson c. Diversion
b. The line spectra d. Both a & c b. Dispersion d. Pearson Airport
11.Evidence for the position of electrons in space 12.Pi bonds form from ______ overlap of ______
came from _______ a. End to end, P orbitals c. End to end, S orbitals
a. Spectroscopy c. Both b & d b. Side to side, S orbitals d. Side to side, P orbitals
b. The line spectra d. The EM spectrum
13.What's the order of longest to shortest 14.Sigma bonds form from _____ overlap of ______
wavelengths? a. Side to side, [S, P] orbitals c. Side to side, S orbitals
a. Radio, Infrared, Visible c. Micro, Visible, Gamma b. End to end, [S, P] orbitals d. End to end, S orbitals
b. UV, Radio, Gamma d. X-ray, UV, Micro
15._______ proposed that the atom was like that of a 16.Intramolecular forces are between
billiard ball a. Ions on ionic solids c. Atoms in covalent solids
a. Ernest Rutherford c. JJ Thompson b. Molecules d. Both a & c
b. Max Planck d. John Dalton
17.The quantum mechanics model of the atom 18.PCl3 would form a ______ centered hybrid orbital
includes a. sp c. spd
a. Orbitals c. Orbits b. sp^2 d. sp^3
b. Both a & d d. Energy levels
19.The decreasing energy order for orbitals is 20.Octahedron, Linear AX and See-Saw shapes are
a. SPDF c. FSPD a. Polar, non-polar, polar c. Polar, Polar, Polar
b. DFSP d. FDPS b. Non-polar, non-polar, polar d. Non-polar, polar, polar
, Unit 2 Chemistry Practice Test - Structures and Properties of Matter
State whether the following are either true (T) or false (F) [15K]
1. ___ Albert Einstein discovered the photoelectric effect
2. ___ Energy and frequency are inversely proportional to each other
3. ___ Wavelength and frequency are inversely proportional to each other
4. ___ BF3 is a polar molecule and has polar bonds
5. ___ Carbon can form a maximum of 2 covalent bonds in its ground state
6. ___ Resonance structures exist
7. ___ Hybridization is applied to an isolated atom
8. ___ Hybridization requires energy that isn’t recovered during bond formation
9. ___ Polarity is only indicated with a charge vector
10.___ Max Planck was the main person who suggested that light is quantized
11. ___ An sp^3 orbital has two identical lobes
12.___ An sp orbital has two identical lobes
13.___ Anything below an electronegativity difference of 0.3 is a pure covalent bond
14.___ Electronegativity values can’t be negative
15.___ Covalent bonds are 1/10th as strong as H-bonds, but are the strongest kind of intermolecular force
Match the corresponding letter to the correct placements on the right [10K]
A. Neils Bohr ___ Proposed that all forms of light travel in electric and
magnetic components and that light could act on
B. Erwin Schrodinger charged particles
C. JJ Thompson ___ Proposed that matter can only lose or gain energy in
whole number multiples only
D. Max Planck
___ Used ideas from Einstein and Broglie
E. James Maxwell
___ Used ideas from Einstein and Planck
___ Discovered the electron
