Electron Configuration & Orbital Notation Review

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can the s sublevel hold?

• 14
• 10
• 2
• 6

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

NGSS.HS-PS1-2

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

How many valence electrons does Chlorine have?

• 5
• 2
• 7
• 5

Tags

NGSS.HS-PS1-1

If an atom has 4 protons, how many valence electrons will it have?

• 4
• 6
• 2
• 0

Tags

NGSS.HS-PS1-1

How many valence electrons does Calcium have? How many energy levels does Calcium have?

• 2 valence: 4 energy levels 
• 20 valence:  4 energy levels 
• 4 valence: 2 energy levels 
• 2 valence: 3 energy levels 

Tags

NGSS.HS-PS1-1

Identify this atom: 

• Lithium
• Chlorine
• Phosphorus 
• Fluorine

Tags

NGSS.HS-PS1-1

How many valence electrons are represented here?

• 7
• 5
• 2
• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2