Chemistry Final Exam Review Pt. 2

What is the shape of the 3p atomic orbital?

• sphere

• dumbbell

• bar

• two perpendicular dumbbells

How many energy sublevels are in the second principal energy level?

• 1

• 2

• 3

• 4

What is the maximum number of d orbitals in a principal energy level?

• 1

• 2

• 3

• 5

The shape (not the size) of an electron cloud is determined by the electron's ____.

• energy sublevel

• position

• speed

• principal quantum number

The letter 'p' in the symbol 4p³ indicates the ____.

• spin of an electron

• orbital shape

• principle energy level

• speed of an electron

What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p?

• 2d

• 3d

• 3f

• 4s

Tags

NGSS.HS-PS1-1

According to the aufbau principle, ____.

• an orbital may be occupied by only two electrons

• electrons in the same orbital must have opposite spins

• electrons enter orbitals of highest energy first

• electrons enter orbitals of lowest energy first

What is the electron configuration of potassium?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

• 1s² 2s² 2p¹⁰ 3s² 3p³

• 1s² 2s² 3s² 3p² 3d¹

Tags

NGSS.HS-PS1-1

How many unpaired electrons are in a sulfur atom (atomic number 16)?

• 0

• 1

• 2

• 3

Tags

NGSS.HS-PS1-1

How does the speed of visible light compare with the speed of gamma rays, when both speeds are measured in a vacuum?

• The speed of visible light is greater.

• The speed of gamma rays is greater.

• The speeds are the same.

• No answer can be determined from the information given.