Polar vs Nonpolar Using Lewis Structures

Which of these is polar?

• CCl₃
• NH₃
• AgCl
• CH₄

Which of these is nonpolar?

• H₂O
• CaCl₂
• SF₃
• CO₂

Which molecular structure is most likely conducive to a polar molecule

• Trigonal Planar
• Bent
• Tetrahedral
• Linear

Which molecular structure is most likely conducive to a nonpolar molecule?

• Trigonal Pyramidal
• Trigonal Bipyramidal
• See-saw
• Tetrahedral

In a polar molecule, the forces of attraction are....

• Asymmetrical
• The Same
• Symmetrical
• Weaker

A molecule with a difference in electronegativity of 1.6 is....

• Polar 
• Covalent
• Ionic
• Nonpolar

Water is a polar molecule that is good for dissolving....

• Polar and Ionic Molecules 
• Nonpolar Molecules
• Amphiphilic Molecules
• Colloids

Tags

NGSS.HS-ESS2-5

Emulsifiers....

• Form covalent bonds with water molecules
• Titrate nonpolar and polar substances
• Act as a catalyst in a reaction between 2 polar molecules
• Cause polar and nonpolar molecules to mix

Which of these is an amphiphilic molecule?

• Oil
• Ice 
• Soap
• Hexane

Which element is more electronegative?

• Cl
• O 
• S
• Ne

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2