Unit 2 P #6 Electron configuration and Orbital diagrams

What electron configuration matches an oxygen atom?

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

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What do you start electron configuration with?

• 1s²
• 1d¹⁰
• 1f¹⁴
• 1p⁶

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

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

Which orbital shows a violation of the Pauli Exclusion Principle?

• A

• B

• C

• D

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What is the electron configuration for Manganese?

• 1s²2s²2p⁶3s²

• 1s²2s²2p⁶3s²3p⁶4s²4d⁵

• 1s²2s²2p⁶3s²3p⁶4s²3d⁵

• 1s²2s²2p⁶3s²3p⁶4s²4d¹⁰

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What is the electron configuration for Silver?

• 1s²2s²2p⁶3s²3p⁶4s²4p⁶3d⁵5s²4d⁹

• 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d⁹

• 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d⁹

• 1s²2s²2p⁶3s²3p⁶4s²4d⁵4p⁶5s²5d⁹

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Which element is pictured?

• neon
• fluorine
• magnesium
• argon

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What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up
• There is nothing incorrect with this diagram
• In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
• All the arrows should be pointing up.

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Which orbital shows a violation of Hund's Rule?

• A
• B
• C
• D

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Which element is depicted from this atomic orbital diagram?

• Carbon
• Nitrogen
• Oxygen
• Phosphorus

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