Atom, electron configuration, and Waves

What atom matches this electron configuration?

1s² 2s² 2p⁶ 3s²

• Neon

• Magnesium

• Aluminum

• Potassium

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Which is the electron configuration for an oxygen atom?

• 1s²2s²2p⁶3s²3p⁶4s²

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶

Tags

NGSS.HS-PS1-1

What is the maximum number of electrons that an orbital can have?

• 1 electron
• 2 electrons
• 3 electrons
• 4 electrons

How many electrons can the d sublevel hold?

• 8
• 10
• 2
• 4

What is this element?

1s²2s²2p⁶3s²3p⁶

4s²3d¹⁰4p⁶

• Argon

• Krypton

• Selenium

• Bromide

Tags

NGSS.HS-PS1-1

How many valence electrons does phosphorus have?

• 5
• 2
• 8
• 15

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NGSS.HS-PS1-1

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

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NGSS.HS-PS1-1

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

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NGSS.HS-PS1-1

What do you start electron configuration with?

• 1s²
• 1d¹⁰
• 1f¹⁴
• 1p⁶

Tags

NGSS.HS-PS1-1

Identify this atom: 

• Lithium
• Chlorine
• Phosphorus 
• Fluorine

Tags

NGSS.HS-PS1-1