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Hydrogen Bonding & Properties of Water

Total questions: 12

Worksheet time: 7mins

Name
Class
Date
1.

TRUE OR FALSE:

Hydrogen bonds are very strong interactions between two atoms.

a)

True

b)

False

2.

Hydrogen Bonds typically occur between atoms of hydrogen involved in this type of bond:

a)

Ionic

b)

Nonpolar Covalent

c)

Polar Covalent

d)

Nonpolar AND Polar Covalent

3.

CHECK ALL THAT APPLY:

Electronegative atoms that are often involved in Hydrogen Bonds.

a)

Nitrogen

b)

Carbon

c)

Oxygen

d)

Fluorine

e)

Calcium

4.

Hydrogen bonds are VERY important in determining the many properties of this very important molecule

(a)  

5.

The Oxygen atoms in the molecule shown have this charge:

a)

Positive

b)

Partial Positive

c)

Negative

d)

Partial Negative

6.

The Hydrogen atoms in the molecule shown have this charge:

a)

Positive

b)

Partial Positive

c)

Negative

d)

Partial Negative

7.

CHECK ALL THAT APPLY:

Check all statements that are true of Van der Waals Interactions.

a)

Very Weak

b)

Brief Interactions

c)

Occur when molecules are far apart.

d)

Occur when molecules are very close.

8.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
9.
Which of the following is LEAST likely to dissolve in water?
a)
nonpolar fats and oils
b)
polar sugar molecules
c)
salt made of a positive sodium ion and a negative chloride ion
d)
all of the substances will dissolve easily in water
10.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
a)
Water is an acid.
b)
Water is a versatile solvent.
c)
Water has a high heat capacity.
d)
 Water acts as a buffer.
11.
Why does ice stay at the top of oceans instead of sinking to the bottom?
a)
 Ice is colder than liquid water.
b)
Ice is less dense than liquid water.
c)
Ice is more dense than liquid water.
d)
Ice is warmer than liquid water.
12.
A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color?
a)
Specific heat 
b)
Surface tension
c)
Cohesion and adhesion of water molecules 
d)
Formation of covalent bonds between hydrogen and oxygen molecules