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WorksheetsAP Biology Basic Chem Quiz
Total questions: 29
Worksheet time: 18mins
Name
Class
Date
1.
How many valence electrons does Oxygen (atm # 8) have?
a)
2
b)
4
c)
6
d)
8
2.
Sodium (valence 1) and Fluorine (valence 7) will interact in what kind of bond/interaction?
a)
Ionic
b)
Covalent
c)
Hydrogen
d)
Van der Waals
3.
Name the functional group (-OH) in the corner.
a)
carbonyl
b)
carboxyl
c)
hydroxyl
d)
methyl
4.
A liquid with a pH of 4 is _x more concentrated in H+ than a liquid with a pH of 6.
a)
10
b)
100
c)
1,000
d)
10,000
5.
What makes a molecule polar?
a)
Equal sharing of valence electrons
b)
Unequal sharing of valence electrons
c)
Stealing of electrons
d)
Temporary charges that come and go
6.
Which functional group is a base?
a)
Amine
b)
Carboxyl
c)
Methyl
d)
Sulfhydryl
7.
Which biomolecule is mainly hydrocarbons and therefore very hydrophobic?
a)
carbohydrate
b)
nucleic acid
c)
protein
d)
lipid
8.
CO2 is an example of a(n) _____ bond.
a)
covalent
b)
adhesive
c)
ionic
d)
cohesive
9.
LiF is an example of a(n) _____ bond.
a)
covalent
b)
adhesive
c)
ionic
d)
cohesive
10.
Covalently bonded molecules are made of atoms that
a)
share electorns
b)
shoot their electrons out into space
c)
move their electrons to the nucleus of the atom
d)
give electrons to and accept electrons from each other
11.
Ionically bonded compounds are made of atoms that
a)
share electrons
b)
shoot their electrons out into space
c)
move their electrons to the nucleus of the atom
d)
give electrons to and accept electrons from each other
12.
The compounds on the left side of a chemical equation are called the _____.
a)
Ingredients
b)
Reactants
c)
Total
d)
Products
13.
The compounds on the right side of a chemical equation are called the _____.
a)
Ingredients
b)
Reactants
c)
Total
d)
Products
14.
Water forms a meniscus in a graduated cylinder due to this property of water
a)
Cohesion
b)
Adhesion
c)
Covalent
d)
Ionic
15.
Water can climb up a piece of filter paper because of this property of water
a)
Cohesion
b)
Adhesion
c)
Covalent
d)
Ionic
16.
You dump a Kool-Aid packet into water. What substance is the solute?
a)
water
b)
Kool-Aid
17.
Which type of bonding causes all of water's unique properties?
a)
hydrogen bonding
b)
ionic bonding
c)
Van der Waals bonding
d)
covalent bonding
18.
What property of water allows insects to walk upon it?
a)
adhesion
b)
surface tension
c)
high heat capacity
d)
high heat of vaporization
19.
Which of the following is the strongest bond?
a)
covalent
b)
ionic
c)
van der Waals
d)
hydrogen
20.
Show proper bonding for CO2
a)
C=O=C
b)
C-O-C
c)
O=C=O
d)
O-C-O
21.
Which of the following is an organic compound?
a)
H2O
b)
C6H12O6
c)
NH2
d)
OH
22.
Why is Carbon so important to living things?
a)
It forms molecules easily
b)
It can form many shapes
c)
It is in most organic molecule
d)
All of these
23.
ATP is a very important molecule because of the energy it provides. What functional group provides this energy?
a)
Hydroxyl
b)
Carboxyl
c)
Amine
d)
Phosphate
24.
Because water has a positively charged end and a negatively charged end, it can be described as
a)
amphipathic
b)
hydrophobic
c)
polar
d)
nonpolar
25.
Which of the following is correctly defined as the attraction of the hydrogen from one molecule to the oxygen of a different molecule?
a)
amphipathic
b)
hydrophobic
c)
hydrogen bonding
d)
adhesion
26.
The property of water that allows water molecules to stick to each other is
a)
adhesion
b)
cohesion
c)
density
d)
specific heat
27.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
28.
Water molecules require a lot of energy to break the hydrogen bonds. This gives water a high
a)
density
b)
polarity
c)
solvency
d)
specific heat
29.
When water was poured down the string there were two properties or water that were in play. Water stuck to the string. This was adhesion. However, this worked better if the string was already wet. What property of water explains why?
a)
Cohesion
b)
Adhesion
c)
Surface Tension
d)
High Specific Heat
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