HonorsChem - Lecture - Quantum Numbers

What can the Schrödinger equation be used to solve approximately for?

• Atoms with one electron

• Atoms with two or more electrons

• Molecules with two or more atoms

• The structure of proteins

What do the solutions to the Schrödinger equation result in?

• Energy levels

• Orbitals with energy, shape, and orientation

• Chemical bonds

• Atomic mass

For what can the wave function be solved?

• A particular set of quantum numbers

• A specific type of chemical reaction

• The periodic table of elements

• The temperature of a substance

Which of the following is NOT a quantum number listed in the image?

• n

• ℓ

• mₑ

• s

What does the first quantum number 'n' specify in an atom?

• The shape of the orbital

• The spin of the electron

• The principal energy level

• The orientation of the orbital

What is the principal energy level when n = 1?

• Second principal energy level

• Third principal energy level

• First principal energy level

• Fourth principal energy level

As the value of n increases, what happens to the electron in an atom?

• The electron moves closer to the nucleus

• The electron's energy decreases

• The electron's energy increases and it moves further away from the nucleus

• The electron's spin changes

What does the quantum number ℓ specify in a principal energy level?

• The energy of electrons

• The shape of orbitals

• The spin of electrons

• The overall size of the atom

How is the quantum number ℓ related to the principal quantum number n?

• ℓ is equal to n

• ℓ is one less than n

• ℓ can take on values from 0 to (n-1)

• ℓ is always zero

What are the notations used to denote the different sublevels in quantum chemistry?

• a, b, c, d

• x, y, z, w

• s, p, d, f

• m, n, o, p