CHEMICAL BONDING: LEWIS STRUCTURE

How many valence electrons are of an oxygen atom?

• 5

• 6

• 7

• 8

Tags

NGSS.MS-PS1-1

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

In the correct Lewis structure for CH_4, how many unshared electron pairs around the carbon atom?

• 2

• 8

• 0

• 4

This is the correct dot diagram for sodium (Na)

• true
• false

Tags

NGSS.MS-PS1-1

A covalent bond is

• a bond that shares electrons metallicaly
• A bond that shares electrons with non metals
• Metalloids bonding
• metals and nonmetals bonding

Tags

NGSS.MS-PS1-1

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

How many electrons can be used in the Lewis Structure for : NO₃ -

• 23
• 20
• 18
• 24

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

How many total valence electrons are participating in bonding in the molecule above?

• 8

• 4

• 2

• 3

Tags

NGSS.MS-PS1-1