covalent review

Phosphorous trichloride

• PCl₃
  
• P₃Cl
• P₃Cl₃
• PCL

Tags

NGSS.MS-PS1-1

Which of the following is NOT formed by a covalent bond?

• K₂S

• H₂O

• I₂

• CO₂

Tags

NGSS.HS-PS1-1

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

Tags

NGSS.HS-PS1-2

What is a cation? 

• a metal with a negative (-) charge
• a non-metal with a negative (-) charge 
• a metal with a positive (+) charge 
• a non-metal with a positive (+) charge

Tags

NGSS.HS-PS1-1

The octet rule means that all valence shells want to have the number...... 

• 1
• 9
• 8
• 16

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a characteristic of a covalent bonding?

• Crystalline solids

• High melting point

• Transfer electrons

• Low electrical conductor

All atoms obey the octet rule except...

• H
• P
• F
• Ne

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are shared in a double bond?

• 1
• 2
• 4
• 6

Tags

NGSS.HS-PS1-2

What is the VSEPR shape of H₂S?

• linear
• trigonal planar
• bent
• tetrahedral

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

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2