chem final review

Which type of bond has an equal sharing of electrons?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Which type of bond has a transfer of an electron from on atom to another?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

When electrons are shared unequally a/an ___________ bond is formed 

• ionic 
• hydrogen
• polar covalent 
• nonpolar covalent

How many valence electrons does Oxygen have?

• 0

• 16

• 6

• 8

This could be the dot diagram of

• Ne
• H
• C
• F

Tags

NGSS.MS-PS1-1

Is this molecule polar or nonpolar? (H₂O)

• nonpolar

• polar

Look at the periodic table. What should be the charge on the ion formed by calcium?

• +1

• +2

• -1

• -2

cations are formed when a neutral element ___________ valance electrons giving the atom an overall positive charge because there are more protons than electrons.

• loses

• gains

Potassium and Sulfur create...

• KS

• KS₂

• K₂S

• K₂S₂

Tags

NGSS.MS-PS1-1

Name CO₂

• carbon dioxide
• carbon monoxide
• carbon oxide
• monocarbon dioxide