Valence Electrons

How many valence electrons are found in atoms of group 14?

• 4
• 3
• 14
• 16

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Is this correct way to draw the Lewis Dot Structure for Carbon?

• Yes

• No, too many electrons

• No, not enough electrons

• No, dots are in wrong places

How many valence electrons should Magnesium have in its Lewis dot model?

• 1

• 2

• 3

• 4

Is this the correct Lewis Dot Structure for Boron?

• 
• 
• 
• 

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

• 2
• 3
• 5

Tags

NGSS.MS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

How many valence electrons are in an atom of Ar?

• 2
• 8
• 4
• 1

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1