Electron Configuration

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

What electron configuration matches an oxygen atom?

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

Tags

NGSS.HS-PS1-1

What is the electron configuration of Iodine?

• [Kr]5s²4d¹⁰5p⁶

• [Kr]5s²4d¹⁰6p⁶

• [Kr]5s²5d¹⁰6p⁶

• None of the above

Tags

NGSS.HS-PS1-1

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

What atom matches this electron configuration?

[Xe] 6s²4f¹⁴5d⁹

Which element is pictured?

How many atomic orbitals are there in the p sublevel?

• 2
• 3
• 4
• 5

Which electron configuration belongs to Chlorine (Cl)?

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

Tags

NGSS.HS-PS1-1

Identify the Electron Configuration for Aluminum (Al)

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

Tags

NGSS.HS-PS1-1

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

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2