electron configuration

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

What electron configuration matches an oxygen atom?

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

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Which electron configuration belongs to Chlorine (Cl)?

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

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

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

This orbital diagram represents:  

• C
• B
• N
• O

Which of the following states that a single electron occupies each orbital within a subshell before electrons begin pairing?

• Hund's rule

• aufbau principle

• pauli exclusion principle

• lewis rule

Each orbital has at most two electrons that spin in opposite directions.

• Pauli exclusion principle

• aufbau principle

• electron configuration

• Hund's rule

Which orbital shows a violation of the Pauli Exclusion Principle?

• A
• B
• C
• D