Electron Config and 1st IE recap

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Which of the following is not a sublevel

• s

• p

• n

• f

• d

Mg, Be, Ca, and Ba are all in the same ___.

• group

• period

• energy level

• orbital

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle

What is the shorthand electron configuration for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p³
  

What atom matches this electron configuration?

[Xe] 6s²4f¹⁴5d⁹

• Mercury

• Gold

• Platinum

• Thallium