Water Properties

Water Properties

Multiple Choice

$$H_2O$$  is a ________ molecule.

• polar

• nonpolar

• ionic

• metallic

Multiple Choice

Which of the following represents a polar molecule?

• $$p^+\ \ne\ e^-$$  

• $$p^+\ =\ e^-$$  

• $$p^-\ =\ e^+$$  

Multiple Choice

Oxygen attracts most of the _____ towards its end and away from the hydrogen.

• $$n^0$$  

• $$p^+$$  

• $$e^-$$  

Multiple Choice

The oxygen end acts _____, while the hydrogen end acts ______.

• positive, positive

• negative, negative

• positive, negative

• negative, positive

Fill in the Blank

______ is the unequal distribution of charge.

Multiple Choice

Hydrogen Bonding occurs when the negative _______ of one $$H_2O$$  molecule attracts the positive ______ of another $$H_2O$$  molecule.

• oxygen, hydrogen

• hydrogen, oxygen

• hydrogen, hydrogen

• oxygen, oxygen

Multiple Choice

In cohesion, water molecules attract...

• other molecules.

• each other.

• to nothing.

Multiple Choice

In adhesion, water molecules attract...

• other molecules.

• each other.

• to nothing.

Open Ended

Ice is less dense than liquid water, why would this be important for organisms that live in ponds?

Open Ended

Why is it important for our human bodies to have water with high specific heat capacity?

Multiple Choice

What is a universal solvent?

• temperature

• heat

• water

• acids