Electron Configuration

What atom matches this electron configuration?
1s² 2s² 2p⁶ 3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Which is the electron configuration for an oxygen atom?

• 1s²2s²2p⁶3s²3p⁶4s²
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶

How many electrons can the d sublevel hold?

• 8
• 10
• 2
• 4

What is this element? 
1s²2s²2p⁶3s²3p⁶
4s²3d¹⁰4p⁶

• Argon
• Krypton
• Selenium
• Bromide

What is this element? 
1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d⁵

• Vanadium

• Chromium

• Manganese

• Copper

What is the shorthand electron configuration for Sulfur atom?

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

What element has the valence shell configuration
[Ne] 3s² 3p²

• Al
• B
• Si
• Ga

Choose the correct configuration for Neon (Ne).

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6

• 1s2 2s1 2p6

Choose the correct element for 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

• Chlorine

• Bromine

• Krypton

• Sulfur

Choose the correct configuration for Zinc

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁸