Lewis Structures and Molecular Shapes

What are valence electrons?

• The innermost electrons

• The outermost electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.HS-PS1-1

Hydrogen needs a total of _____ electrons in its valence shell to be stable.

• 4

• 6

• 8

• 2

Tags

NGSS.HS-PS1-1

Which is the correct Lewis structure for carbon dioxide?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

 A lone pair is defined as

• A pair of bonding electrons
• One non-bonding electron
• A pair of non-bonding electrons
• A pair of electrons on the central atom

NH₃ has how many lone pairs?

• 0

• 1

• 2

• 3

Choose the correct shape for this molecule:

• Trigonal planar

• Trigonal pyramidal

• Bent

• Tetrahedral

What geometry will this molecular structure have?: PH₃

• bent

• tetrahedral

• trigonal planar

• trigonal pyramidal

What is the molecular shape of H₂S?

• linear

• trigonal planar

• bent

• tetrahedral

Dihydrogen monosulfide?

• H₂S

• HS₂

• HS

• H₂S₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2