Electron Configuration

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

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NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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What electron configuration matches an oxygen atom?

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

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NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

What is the electron configuration of Ag?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s¹ 4d¹⁰

• [Kr] 5s² 4d⁹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4p⁶ 5s² 4d⁹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4d¹⁰ 4p⁶ 5d¹⁰ 5s² 4d⁹

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NGSS.HS-PS1-2

How many valence Electrons does Copper Have?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

• 6

• 9

• 17

• 2

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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

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What is the shorthand electron configuration for Sulfur atom?

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

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NGSS.HS-PS1-1

Electron arrangement that uses arrows

• Electron configuration
• Shorthand configuration
• Lewis dot structure
• Orbital diagram

What atom matches this electron configuration?
[Xe] 6s²5d⁹

• Mercury
• Gold
• Platinum
• Thallium

Tags

NGSS.HS-PS1-1