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

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

How many d orbitals are there in a given sublevel?

• 1
• 3
• 5
• 7

How many p orbitals are there in a sublevel?

• 2
• 1
• 4
• 3

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

Which is the electron configuration for an oxygen atom?

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

Tags

NGSS.HS-PS1-1

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

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

Electron arrangement that uses arrows

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