Ch.8 - Periodic Properties of the ElementsWorksheetSee all chapters
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Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Which of the following is a possible set of quantum numbers for a 3d electron?a)  n=4, l=3, m l=2, ms=-1/2 b)  n=3, l=2, m l=0, ms=-1/2c)  n=3, l=1, m l=1, ms=+1/2d)  n=3, l=3, m l=2, ms=+1/2e)  n=3,

Solution: Which of the following is a possible set of quantum numbers for a 3d electron?a)  n=4, l=3, m l=2, ms=-1/2 b)  n=3, l=2, m l=0, ms=-1/2c)  n=3, l=1, m l=1, ms=+1/2d)  n=3, l=3, m l=2, ms=+1/2e)  n=3,

Problem

Which of the following is a possible set of quantum numbers for a 3d electron?

a)  n=4, l=3, m l=2, ms=-1/2 

b)  n=3, l=2, m l=0, ms=-1/2

c)  n=3, l=1, m l=1, ms=+1/2

d)  n=3, l=3, m l=2, ms=+1/2

e)  n=3, l=0, m l=0, ms=+1/2

Solution

We’re being asked to find which set of quantum numbers is possible for a 3d electron


Recall that the quantum numbers that define an electron are:

• Principal Quantum Number (n): deals with the size and energy of the atomic orbital. The possible values for n are 1 to ∞.

• Angular Momentum Quantum Number (l): deals with the shape of the atomic orbital. The possible values for l are 0 to n – 1.

• Magnetic Quantum Number (ml): deals with the orientation of the atomic orbital in 3D space. The possible values for ml are the range of –l to +l.

• Spin Quantum Number (ms): deals with the spin of the electron. The possible values for ms are either –1/2 (spin down) or +1/2 (spin up).


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