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WorksheetsFoundations Chemistry Review
Total questions: 42
Worksheet time: 21mins
Name
Class
Date
1.
What are two major areas of an atom?
a)
Nucleus and outside the atom
b)
Nucleus and the electron cloud
c)
Nucleus and Proton cloud
d)
Nucleus and neutron cloud
2.
The charge of a proton is _____________
a)
Positive
b)
Negative
c)
Neutral
3.
The charge of a neutron is ________________
a)
Positive
b)
Negative
c)
Neutral
4.
The charge of an electron is ________________
a)
Positive
b)
Negative
c)
Neutral
5.
What two parts of an atom make up the atomic mass?
a)
Protons and electrons
b)
Protons and neutrons
c)
Neutrons and electrons
d)
Only protons
6.
If an atom has an atomic number of 15, and a mass of 25 how many electrons does it have?
a)
15
b)
25
c)
10
d)
no electrons
7.
An atom that has gained or lost electrons to become charged is called a(n) ______________
a)
isotope
b)
ion
c)
isosceles
d)
neutron
8.
Atoms are un-reactive when they have ______ electrons in their valence shell
a)
4
b)
8
c)
16
d)
32
9.
Atoms that have the same number of protons but different numbers of neutrons are called ___________
a)
ions
b)
Isotopes
c)
Isosoleces
d)
Ironic
10.
Ionic bonds ______________ electrons and Covalent bonds ________________ electrons
a)
transfer, share
b)
share, transfer
11.
What type of bond is occurring in the image?
a)
covalent
b)
ionic
c)
hydrogen
d)
metallic
12.
What type of bond is occurring in the image?
a)
Ionic
b)
Covalent
c)
Hydrogen
d)
Metallic
13.
Water attaches to another water molecule through which type of bond?
a)
Ionic bond
b)
Covalent bond
c)
Hydrogen bond
d)
Metallic bond
14.
A single water molecule is held together by which type of bond?
a)
Ionic bond
b)
Covalent bond
c)
Hydrogen bond
d)
Metallic bond
15.
Water is considered the universal solvent because water molecules are considered _____________ due to their unequal sharing of electrons
a)
Fun
b)
Polar
c)
Ionic
d)
Dense
16.
Capillary action is caused by which properties of water?
a)
Cohesion and adhesion together
b)
Water's universal solvent ability
c)
Water being less dense as ice
d)
Evaporative cooling
17.
Which property of water causes surface tension? (The film like quality of water that allows insects to walk on water)
a)
Cohesion
b)
Adhesion
c)
Evaporative cooling
d)
High specific heat
18.
A pH of 2 would be considered ______________
a)
A strong base
b)
A strong acid
c)
A weak acid
d)
A weak base
19.
A pH of 6 would be considered __________________
a)
A strong base
b)
A strong acid
c)
A weak base
d)
A weak acid
20.
A pH of 14 is considered
a)
A strong base
b)
A strong acid
c)
A weak base
d)
A weak acid
21.
What type of solution keeps the pH of organisms constant by preventing changes in pH?
a)
Isotonic solutions
b)
Buffer solutions
c)
Hypertonic solutions
d)
Hypotonic solutions
22.
What happens when you mix an acid with a base?
a)
A neutralization reaction
b)
No reaction
c)
Hyperbole reactions
23.
_________________ provide short term energy
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic acids
24.
_________________ provide long term energy
a)
Lipids
b)
Carbohydrates
c)
Nucleic acids
d)
Proteins
25.
_________________ provide genetic material for organisms
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic acids
26.
_________________ make up bones and muscles
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic acids
27.
Amino acids are the building blocks to which organic molecule?
a)
Proteins
b)
Lipids
c)
Nucleic acids
d)
Carbohydrates
28.
DNA is considered which organic molecule?
a)
Carbohydrate
b)
Lipid
c)
Nucleic acid
d)
Protein
29.
Identify the molecule
a)
Protein
b)
Lipid
c)
Nucleic acid
d)
Carbohydrate
30.
What are lipids made of?
a)
Monosacharides
b)
Nucleotides
c)
Fatty acid and glycerol
d)
amino acids
31.
Proteins are made up ______________
a)
monosaccharides
b)
nucleotides
c)
amino acids
d)
fatty acids and glycerol
32.
Nucleic acids are made of ______________
a)
monosaccharides
b)
amino acids
c)
fatty acids and glycerol
d)
Nucleotides
33.
Carbohydrates are made of ______________
a)
monosaccarides
b)
amino acids
c)
fatty acids and glycerol
d)
nucleotides
34.
glucose is an example of a
a)
monosaccharide
b)
disaccharide
c)
polysaccharide
d)
lipid
35.
Sugar, phosphate and nitrogen bases make up which organic molecule?
a)
Nucleic acids
b)
Proteins
c)
Lipids
d)
Carbohydrates
36.
___________________ speed up chemical reactions in organisms
a)
Enzymes
b)
Lipids
c)
Nucleotides
d)
Sugars
37.
Which of the following would be considered inorganic OR not a macromolecule?
a)
Salt
b)
Muscles
c)
Cellulose
d)
DNA
38.
Protein shape determines what?
a)
Protein temperature
b)
Protein function
c)
Protein pH
d)
Protein location
39.
Which part of the image is the substrate?
a)
a
b)
b
c)
c
d)
d
40.
Glycogen, chitin and cellulose are all ____________
a)
proteins
b)
carbohydrates
c)
lipids
d)
nucleic acids
41.
Waxes and oils are which organic molecules?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic acids
42.
Homeostasis means to keep internal conditions _____________
a)
balanced
b)
unbalanced
c)
changing
d)
none of these are correct
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