Polar and Nonpolar Molecules (CHEM l)

Classify the following molecule.

• polar

• nonpolar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a polar covalent bond, electrons are shared:

• equally

• unequally

• between two metals

• between a metal and a non-metal

A diatomic molecule like O₂ is always_______ because electrons are shared ________.

• nonpolar; equally

• polar; equally

• nonpolar; unequally

• nonpolar; unequally

What causes a partial charge on a molecule?

• unequal sharing of electrons

• an electronegativity difference between 0.4 and 2.0.

• the shape of the molecule

• all of the above

Tags

NGSS.HS-PS1-3

Partial charges are present in which type of bond?

• Ionic

• Nonpolar Covalent

• Polar Covalent

• Both Polar Covalent and Ionic

Does the following reference Polar, Nonpolar, or both:

"unequal sharing of electrons"?

• Polar

• Nonpolar

• Both

Tags

NGSS.HS-PS1-1

Classify the following molecule as polar or nonpolar: HF (hydrogen fluoride)

• Polar

• Nonpolar

Classify the following molecule as polar or nonpolar: F₂

• Polar

• Nonpolar

Tags

NGSS.HS-PS2-6

H₂O

• Polar 
• Nonpolar 

Tags

NGSS.HS-ESS2-5

What is the reason why oil and water don't mix?

• Oil is too heavy to mix with water
• Water can only mix with polar molecules 
• Water can only mix with non-polar molecules
• Oil is too light to mix with water