Practice 3.6 Polarity

What kind of molecule is water?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Metallic

Tags

NGSS.MS-PS1-1

Which of the following can water NOT dissolve?

• Salt

• Sugar

• Oil

• Baking Soda

Tags

NGSS.MS-PS1-2

Which part of a water molecule has a Positive Charge?

• The Hydrogen

• The Oxygen

• The Top

• The Bottom

Tags

NGSS.MS-PS1-1

Which of the following can water NOT dissolve?

• Ionic Compounds

• Polar Compounds

• Nonpolar Compounds

Tags

NGSS.HS-PS1-3

What is the correct chemical formula for water?

• H₂O

• HO₂

• H₂O₂

• ₂H₁O

Tags

NGSS.MS-PS1-1

Which part of a water molecule has a Negative Charge?

• The Hydrogen

• The Oxygen

• The Left

• The Right

Tags

NGSS.MS-PS1-1

Water is polar. What does that mean?

• it is a molecule with opposite charges on opposite ends

• it is a molecule with no charge

• it is a molecule with identical charges on opposite ends

• it is a molecule with too many protons

Tags

NGSS.MS-PS1-1

Why does ice float?

• water expands when it freezes, making ice less dense than water

• water compacts when it freezes, making ice more dense than water

• hydrogen bonds in water push the ice to the surface

• ice is afraid of water, and avoids it

Tags

NGSS.MS-PS1-4

Which statement explains why water molecules stick together?

• both sides are negative
• one side has a positive charge and the other side has a negative charge
• one side has a negative charge adn the other side has a neutral charge
• both sides are positive

Tags

NGSS.HS-PS1-3

• polar

• nonpolar

• ionic

• metallic