Exam 7: Quantum Theory and the Electronic Structure of Atoms
Exam 1: Chemistry: The Study of Change175 Questions
Exam 2: Atoms Molecules and Ions156 Questions
Exam 3: Mass Relationships in Chemical Reactions194 Questions
Exam 4: Reactions in Aqueous Solutions192 Questions
Exam 5: Gases130 Questions
Exam 6: Thermochemistry119 Questions
Exam 7: Quantum Theory and the Electronic Structure of Atoms135 Questions
Exam 8: Periodic Relationships Among the Elements144 Questions
Exam 9: Chemical Bonding I: Basic Concepts136 Questions
Exam 10: Chemical Bonding II: Molecular Geometry and Hybridization of Atomic146 Questions
Exam 11: Intermolecular Forces and Liquids and Solids149 Questions
Exam 12: Physical Properties of Solutions122 Questions
Exam 13: Chemical Kinetics131 Questions
Exam 14: Chemical Equilibrium119 Questions
Exam 15: Acids and Bases178 Questions
Exam 16: Acid-Base Equilibria and Solubility Equilibria145 Questions
Exam 17: Entropy Free Energy and Equilibrium128 Questions
Exam 18: Electrochemistry154 Questions
Exam 19: Nuclear Chemistry128 Questions
Exam 20: Chemistry in the Atmosphere50 Questions
Exam 21: Metallurgy and the Chemistry of Metals63 Questions
Exam 22: Nonmetallic Elements and Their Compounds52 Questions
Exam 23: Transition Metals Chemistry and Coordination Compounds92 Questions
Exam 24: Organic Chemistry66 Questions
Exam 25: Synthetic and Natural Organic Polymers46 Questions
Select questions type
An electron in a 3p orbital could have a value of 2 for its angular momentum quantum number (l).
(True/False)
4.8/5
(38)
Which of the following, if any, is the proper rank the following types of electromagnetic radiation from lowest energy to highest energy
(Multiple Choice)
4.8/5
(38)
What is the wavelength (nm) for a photon of light with an energy of 3.20 x 10-19 J/photon
(Multiple Choice)
4.9/5
(33)
The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, ______ has the least energy.
(Multiple Choice)
4.9/5
(37)
Which element has the following ground-state electron configuration
[Xe]6s24f145d4
(Multiple Choice)
5.0/5
(42)
Calculate the frequency of the light emitted by a hydrogen atom during a transition of its electron from the n = 4 to the n = 1 principal energy level. Recall that for hydrogen En = -2.18 * 10 -18 J(1/n2).
(Multiple Choice)
4.8/5
(28)
"No two electrons in an atom can have the same four quantum numbers" is a statement of
(Multiple Choice)
4.8/5
(28)
What is the wavelength of radiation that has a frequency of 3.4 x 1011 s -1
(Multiple Choice)
4.9/5
(40)
The longest wavelength of light that causes electrons to be ejected from the surface of a copper plate is 243 nm. What is the maximum velocity of the electrons ejected when light of wavelength 200. nm shines on a copper plate
(Multiple Choice)
4.9/5
(29)
How many unpaired electrons does an atom of carbon have in its ground state
(Multiple Choice)
4.9/5
(33)
Which ground-state atom has an electron configuration described by the following orbital diagram 

(Multiple Choice)
4.8/5
(43)
List the following sets of quantum numbers in order of increasing energy:
I. n = 4, l = 0, ml = 0, ms = -1/2
II. n = 4, l = 2, ml = -1, ms = -1/2
III. n = 5, l = 0, ml = 0, ms = +1/2
(Multiple Choice)
4.9/5
(36)
The bonds of oxygen molecules are broken by sunlight. The minimum energy required to break the oxygen-oxygen bond is 495 kJ/mol. What is the wavelength of sunlight that can cause this bond breakage
(Multiple Choice)
4.9/5
(35)
A ground-state chromium atom has how many unpaired electrons
(Multiple Choice)
4.7/5
(32)
An electron loses energy in the transition from a 4f subshell to a 6s subshell.
(True/False)
4.8/5
(36)
A possible set of quantum numbers to describe an electron in a 4s subshell is
(Multiple Choice)
4.7/5
(44)
Which one of the following sets of quantum numbers is not possible \nobreakspace\nobreakspace\nobreakspace\nobreakspace\nobreakspace n l A. 4 3 -2 +1/2 B. 3 2 -3 -1/2 C. 3 0 0 +1/2 D. 4 1 1 -1/2 E. 2 0 0 +1/2
(Short Answer)
4.9/5
(36)
The ground-state electron configuration of Cr, Mo, and Ag are exceptions to the Aufbau principle. Which of the following is the electron configuration for Mo
(Multiple Choice)
4.8/5
(40)
What is the total number of electrons possible in the 2p orbitals
(Multiple Choice)
4.8/5
(34)
Showing 101 - 120 of 135
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)