Quantum Numbers, Atomic Orbitals, and Electron Configurations

How many quantum numbers are in a set?

• 1

• 2

• 3

• 4

How many electrons fit into an orbital?

• 8

• 2

• 4

What does the principal quantum number represent?

• The energy level of the electron

• The total number of electrons

• The spin

The 'l' value describes the ______ of the orbital.

• Shape

• Spin

• Energy level

Which of the following is not an orbital variable?

• s

• p

• e

• f

Which of the following correctly matches each sublevel with the number of orbitals it has?

• s = 1

  p = 3

  d = 5

  f = 7

• s = 2

  p = 4

  d = 6

  f = 8

• s = 1

  p = 2

  d = 3

  f = 4

No two electrons can have the same set of quantum numbers.

• True

• False

The 1s orbital can hold 2 electrons and any atom on the periodic table will fill this orbital first

• true

• false

If n = 4, how many different orbital shapes will be present?

• 1

• 2

• 3

• 4

Hund's rule says

• electrons will spread out before they pair up

• electrons will pair up before they spread out