Electron Configuration and Orbital Diagrams Quiz

What does the atomic number of an element represent?

• The number of electrons in an ion

• The number of energy levels

• The number of protons in the nucleus

• The number of neutrons in the nucleus

Where are electrons found in an atom?

• Inside the nucleus

• In the energy levels surrounding the nucleus

• In the protons

• In the neutrons

Which type of orbital is spherical in shape?

• d orbital

• f orbital

• p orbital

• s orbital

How many electrons can a p orbital hold in total?

• 2

• 4

• 8

• 6

What is the maximum number of electrons that energy level 2 can hold?

• 2

• 4

• 6

• 8

In an orbital diagram, how are electrons represented?

• As circles

• As arrows pointing in the same direction

• As numbers

• As arrows pointing in opposite directions

What is the SP notation for sodium?

• 1s² 2s² 2p⁶ 3s¹

• 1s² 2s² 2p⁶ 3s²

• 1s² 2s² 2p⁶ 3p¹

• 1s² 2s² 2p⁴ 3s²

Which principle explains why electrons in an orbital must have opposite spins?

• Heisenberg Uncertainty Principle

• Aufbau Principle

• Pauli Exclusion Principle

• Hund's Rule

How many electrons does sulfur have?

• 20

• 18

• 16

• 14

What is the SP notation for sulfur?

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 3p²

• 1s² 2s² 2p⁶ 3s² 3p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁴