Chemical Bonding

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

An ionic bond forms when atoms ___________ electrons.

• gain
• share
• increase
• transfer

Which type of bond has an unequal sharing of electrons?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Which type of bond has an equal sharing of electrons?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Chemical bonds form when atoms

• combined nuclei
• give up neutrons
• gain protons
• share or transfer electrons

Bonds that form between two metals are called ______________ bonds.

• ionic 
• covalent
• metallic
• pervasive

If an atom loses two electrons what charge will it have?

• + 2
•  - 2
• +1
• -1

If an atom gains one electron what charge will it have?

• -2
• -1
• +1

Covalent compounds

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

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1