Semester 2

1
Unit Two ExamReview
JEOPARDY
2
Water
Atoms
pH
Macro-molecules
Miscellaneous
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
3
Water100
The attraction of a water molecule to other water
molecules is known as
A What is cohesion?
4
Water200
When adhesion and cohesion cause water to rise
through a tree, this water property is
demonstrated
A What is capillary action?
5
Water300
The type of bond that links each of the two
hydrogen atoms to the oxygen atom to make a
molecule of water
A What is covalent bond?
6
Water400
The type of bond that joins water molecules to
other water molecules
A What is a hydrogen bond?
7
Water500
Because the oxygen atom of water contains more
electrons and gives that side of the water
molecule a more negative charge than the opposite
side, water molecules can be described as
A What is polar?
8
Atoms100
The nucleus of an atom contains
A What are protons and neutrons?
9
Atoms200
Oxygens atomic number is eight. How many valence
electrons (outer most shell) does it have?

A What is 6?
10
Atoms300
Isotopes of carbon exist. They vary in
A What is the number of neutrons?
11
Atoms400
An anion with a positive charge is called a
A What is cation?
12
Atoms500
How does an ion gain an electrical charge?
A What is gains or loses an electron ?
13
pH100
This is the range of the pH scale.
A What is 1-14?
14
pH200
A substance with a pH of 2 is how many times more
acidic than a substance with a pH of 5?
A What is 1,000 (103)?
15
pH300
The pH of water
A What is 7?
16
pH400
As a substance gains more Hydrogen ions, it
becomes more
A What is acidic?
17
pH500
OH- is the symbol for what ion?
A What is hydroxide?
18
Macromolecules100
Name 2 of the 4 kinds of macromolecules that make
up living things
A What are carbohydrates, proteins, lipids, and
nucleic acids ?
19
Macromolecules200
Name the macromolecule made from this subunit
A What are proteins ?
20
Macromolecules300
Name the monomer subunit used to make nucleic
acids
A What is a nucleotide?
21
Macromolecules400
Carbohydrates are made of carbon, hydrogen, and
oxygen in what ratio?
A What are 1 carbon 2 hydrogens 1 oxygen ?
22
Macromolecules500
Macromolecules made of mainly carbon and hydrogen
with little oxygen that are hydrophobic are
called
A What are lipids?
23
Miscellaneous100
Proteins that act as biological catalysts
A What are enzymes?
24
Miscellaneous200
The smallest unit of matter
A What is an atom?
25
Miscellaneous300
If you added sugar to a glass of water, sugar
would be considered a
A What is solute ?
26
Miscellaneous400
The type of bond that holds together salt (NaCl)
A What is an ionic bond
27
Miscellaneous500
Atoms held together by covalent bonds form a
A What is compound?