Valence Electrons

How many valence electrons: 
1s2 2s 2 2p6 3s2 3p6 4s 2 3d10 4p3

• 3
• 5
• 7
• 2

Tags

NGSS.HS-PS1-1

How many valance electrons are in group 2A?

• 4
• 6
• 1
• 2

Tags

NGSS.HS-PS1-1

How many valence electrons? 
1s2 2s 2 2p6 3s2 3p6 4s2

• 6
• 5
• 2
• 3

Tags

NGSS.HS-PS1-1

What is a valence electron?

• An electron in the highest occupied energy level of an atom
• An electron that has properties similar to a transition metal
  
• Electrons with high reactivity
• Noble gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons do halogens have?

• 8
• 7
• 6
• 3

Tags

NGSS.HS-PS1-1

What group of elements has a "full octet"?

• Group IIA
• Group VIIA
• Halogens
• Noble gases
  

Tags

NGSS.HS-PS1-1

What is the most reactive group of elements?

• Alkaline Earth Metals
• Alkali Metals
• Halogens
• Noble Gases

Which is more reactive? 
Helium or Francium

• Francium
• Helium
• They are equal

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons in Group IA? 

• 1
• 4
• 7
• 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons? 
1s2 2s2 2p6 3s2

• 2
• 3
• 8
• 6

Tags

NGSS.HS-PS1-1