Review of Chapters 4 & 5

Orbitals are. . .

• exact paths of moving electrons
• regions of space where electrons are likely to be found
• standing waves of nuclear energy
• particles moving at or near the speed of light

What are the names of the sublevels?

• s, p, d, f
• P, E, L
• Sam, Pete, Doug, Frank
• They are numbered, not named

Which electron configuration rule states that electron pairing only occurs after all orbitals in the same sublevel have a single electron?

• Aufbau Principle
• Hund's Rule
• Pauli Exclusion Principle
• Heisenberg Uncertainty Principle

Silicon’s (atomic # 14) electron configuration is. . .

• 1s² 2s² 2p⁶ 3s² 3p⁶
• 4
• 2, 8, 4
• 1s² 2s² 2p⁶ 3s² 3p²

Name the neutral element with this electron configuration.

• Tellurium
• Xenon
• Bromine
• Iodine

What is the proper way to write the noble gas notation for this configuration? 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p³

• [He] s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p³
• [Ne] 3s² 3p⁶ 4s² 3d¹⁰ 4p³
• [Ar] 4s² 3d¹⁰ 4p³
• [Ar] 4s² 4p³

The 4 electrons in the outermost sublevel of SELENIUM are in the 4p sublevel. Which image correctly represents the orbital notation for selenium's 4p sublevel?

• 
• 
• 
• 

Nitrogen's orbital notation is. . .

• 
• 
• 
• 

Scandium’s (atomic # 21) orbital notation is. . .

• 
• 
• 
• 

In an element that has 17 protons, 19 neutrons, and 17 electrons, what is the element’s atomic number?

• 17
• 19
• 35
• 36