Electron Configuration

What electron configuration matches an oxygen atom?

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

What do all electron configurations start with (except Hydrogen)?

• 1s²

• 1d¹⁰

• 1f¹⁴

• 1p⁶

Which electron configuration belongs to Chlorine (Cl)?

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

The 4 subshells are

• s, p, d, f

• a, b, c, d

• 2, 4, 6, 8

How many electrons can the p sublevel hold?

What is the shorthand electron configuration for Sulfur atom?

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

What noble gas should be used to write the shorthand configuration for Te?

Each row on the periodic table represents:

• an energy level

• a sublevel

• an electron

• an orbital

What is the noble gas configuration for silicon?

• [Ne] 3s² 3p¹

• [Ar] 3s² 3p¹

• [Kr] 3s² 3p²

• [Ne] 3s² 3p²

The electron configuration 1s² 2s²2p⁶ 3s²3p⁶ represents which noble gas?