Electron Configuration - CP

Electron Configuration

CP Basics

Poll

Which method do you prefer after me explaining each method?

• Periodic Table

• Diagonal Rule

Multiple Choice

Which electron configuration belongs to Chlorine (Cl)?

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

Multiple Choice

Identify the Electron Configuration for Aluminum (Al)

• 1s² 2s² 2p⁶ 3s² 3p¹
• 1s² 2s² 2p⁶ 3s² 3p³
• 1s² 2s² 2p⁶ 3s² 4p¹

Multiple Choice

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

Multiple Choice

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Multiple Choice

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Multiple Choice

How many valence electrons does Calcium have? How many energy levels does Calcium have?

• 2 valence: 4 energy levels 
• 20 valence:  4 energy levels 
• 4 valence: 2 energy levels 
• 2 valence: 3 energy levels 

Multiple Choice

How many valence electrons does Chlorine have?

• 5
• 2
• 7
• 5

Multiple Choice

[Ne]3s²3p⁵ is the noble gas configuration for which element?

• chlorine
• fluorine
• sulfur
• aluminum

Multiple Choice

What is the noble gas configuration for phosphorus?

• [Ar] 3p⁵
• [He] 3s² 3p⁵
• [Ne] 3s² 3p³
• [Na] 3s² 3p⁵
  

Multiple Choice

What is the shorthand electron configuration for Sulfur atom?

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

Multiple Choice

What atom matches this electron configuration?

[Xe] 6s²4f¹⁴5d⁹

• Mercury

• Gold

• Platinum

• Thallium

Multiple Choice

In writing the noble gas notation for elements in the 4th period, which noble gas will be used?

• Period 1 noble gas (Helium)

• Period 2 noble gas (Neon)

• Period 3 noble gas (Argon)

• Period 4 noble gas (Krypton)