Chemical Bonding Review

Which of the following has a full valence shell?

• Oxygen (Group 16)

• Neon (Group 18)

• Barium (Group 2)

• Carbon (Group 14)

What is the octet rule?

• Almost all atoms want to have 8 valence electrons

• All atoms want to form 8 bonds

• All atoms want a charge of +/-8

• None of these

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 a transfer of an electron from one atom to another?

• Polar Covalent

• Non Polar Covalent

• Ionic

• Metallic

All chemical bonds involve two atoms only sharing electrons.

• True

• False

Chemical bonds form when atoms

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

Tags

NGSS.HS-PS1-2

Bonds that form between two metals are called ______________ bonds.

• ionic

• covalent

• metallic

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

• + 2
•  - 2
• +1
• -1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• -2
• -1
• +1

Tags

NGSS.HS-PS1-1