Electron Configuration Basics

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

• Neon
• Magnesium
• Aluminum
• Potassium

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NGSS.HS-PS1-1

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

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

What is this element? 
1s²2s²2p⁶3s²3p⁶
4s²3d¹⁰4p⁶

• Argon
• Krypton
• Selenium
• Bromide

Tags

NGSS.HS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

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

Tags

NGSS.HS-PS1-1

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

Tags

NGSS.HS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

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

Tags

NGSS.HS-PS1-1

What is the charge of an atom that has gained one electron?

• -1
• -2
• +1
• +2

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

Tags

NGSS.HS-PS1-1