U3 Covalent Review (MDP.PC)(Alex) (ALL p8)

Which is NOT an example of a diatomic molecule:

• Nitrogen
• Fluorine
• Carbon
• Bromine

Noble gases are an example of

• monatomic molecules
• diatomic molecules
• polyatomic ions
• polar covalent bonds

Tags

NGSS.HS-PS1-1

What is the charge of the Sulfate ion?

• -1
• -2
• +1
• -3

What is the charge of ammonium?

• +2
• -2
• +1
• -1

Name Al₂(CO₃)₃

• ammonium carbonate
• aluminum carbide
• aluminum (III) carbonate
• aluminum carbonate

True or False: electrons are shared equally in a polar bond

• true
• false

Water is an excellent example of a ________ covalent bond

• polar
• nonpolar

What is the charge of the polyatomic ion NO₃ ?

• +1
• -2
• -3
• -1

Electrons are shared ______ in a polar bond

• equally
• unequally

Diatomic molecules are an excellent example of _____ covalent bond.

• polar
• nonpolar