Unit 4: Electrons

What is the abbreviated electron configuration for the Sulfur atom?

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

What is the electron configuration for this atom?

• 1s²2s²2p⁶
• 1s²2s²2p⁵
• 1s²2s²2p³
• 2s²2p³

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Which element is depicted from this orbital diagram

• Fluorine
• Neon
• Chlorine
• Argon

How many electron can be found in a s orbital?

• 2
• 3
• 4
• 1

How many electrons can be found in a 5p orbital?

• 2

• 3

• 4

• 6

What is the electronic configuration of sodium?

• 1s²2s²2p⁶3s¹
• [Ne]3s¹
• 1s²2s²2p⁷
• Both A and B are correct

What is the electronic configuration of iron?

• 1s²2s²2p⁶3s²3p⁶4s²3d⁶
• 1s²2s²2p⁶3s²3p⁶3d⁸
• 1s²2p⁶3s²3p⁶4s²3d⁶
• 1s²2s²2p⁶3s²3p⁶4s¹3d⁶

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Which electron configuration belongs to Chlorine (Cl)?

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