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 equal sharing of electrons?

• Polar Covalent 
• Non Polar Covalent
• Ionic
• Metallic

Which type of bond has an unequal 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

Chemical bonds form when atoms

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

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

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

What happens when the sodium atom loses an electron?

• It become negatively charged 
• It become positively charged
• none