Electron Configuration

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

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the electron configuration for an oxygen atom?

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

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Rule that states electrons in same orbital must have opposite spin directions.

• Hunds Rule

• Pauli Exclusion Principle

• Aufbau Principle

What do you start electron configuration with?

• 1s²
• 1d¹⁰
• 1f¹⁴
• 1p⁶

Tags

NGSS.HS-PS1-1

There are 4 different types of sublevels for electrons.

• true
• false

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

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

Rule that states electrons completely fill lower energy levels before moving to high levels.

• Hunds Rule

• Pauli Exclusion Principle

• Aufbau Principle

Rule that states electrons in a sublevel must maximize the number of same spin directions to make the atom stable.

• Hunds Rule

• Pauli Exclusion Principle

• Aufbau Principle

A probable location for an electron in an atom

• Energy level

• orbital

• sublevel