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WorksheetsS2: Chemistry Unit Review
Total questions: 104
Worksheet time: 52mins
Name
Class
Date
1.
Atoms are composed of
a)
Electrons
b)
Spectrons
c)
Photons
d)
Blotons
2.
Atoms are composed of
a)
Protons
b)
Spectrons
c)
Photons
d)
Blotons
3.
Atoms are composed of
a)
Neutrons
b)
Spectrons
c)
Photons
d)
Blotons
4.
Protons and ________ have about the same mass.
a)
Neutrons
b)
Atoms
c)
Electrons
d)
Voltons
5.
Have a positive charge
a)
Neutrons
b)
Atoms
c)
Electrons
d)
Protons
6.
Have a negative charge
a)
Neutrons
b)
Atoms
c)
Electrons
d)
Protons
7.
Have a no charge
a)
Neutrons
b)
Atoms
c)
Electrons
d)
Protons
8.
Which subatomic particle is found in the nucleus?
a)
Neutrons
b)
Atoms
c)
Electrons
d)
Voltons
9.
Which subatomic particle is found in the nucleus?
a)
Protons
b)
Atoms
c)
Electrons
d)
Voltons
10.
Where is the nucleus located?
a)
Center of the proton
b)
Center of the atom
c)
Center of the electron
d)
Center of the neutron
11.
The location where electrons are found?
a)
Electron Cloud
b)
Electron Rain Drop
c)
Electron Drop Top
d)
Electron Sea
12.
Used to organize the elements
a)
Periodic Table
b)
Periodontal Table
c)
Prehistoric Table
d)
Perioditis Table
13.
The Periodic Table is organized by
a)
Atomic Number
b)
Atomic Mass
c)
Symbol
d)
Neucleus Mass
14.
Iron's Atomic Number
a)
26
b)
55.845
c)
Fe
d)
8
15.
What is this element?
a)
Gold
b)
Augmentium
c)
Iron
d)
Augustonian
16.
What is Gold's Atomic Number?
a)
79
b)
196.966569
c)
12
d)
8
17.
What is Gold's Atomic Mass?
a)
79
b)
196.966569
c)
12
d)
8
18.
The Atomic Number represents:
a)
The number of protons
b)
The number of neutrons
c)
The number of electrons
d)
The number of atoms
19.
The Atomic Mass is equal to
a)
The number of protons + neutrons
b)
The number of neutrons + electrons
c)
The number of electrons + protons
d)
The number of atoms + protons
20.
H
a)
Hydrogen
b)
Helium
c)
Hydronium
d)
Herbacide
21.
C
a)
Carbon
b)
Carbonate
c)
Carton
d)
Calcium
22.
N
a)
Nitrogen
b)
Nickel
c)
Nitroglycerin
d)
Napoleonic
23.
O
a)
Oxygen
b)
Oxide
c)
Opiate
d)
Oxford
24.
Cl
a)
Chlorine
b)
Christen
c)
Clorox
d)
Cleanser
25.
Mg
a)
Magnesium
b)
Manganese
c)
Silver
d)
Margarine
26.
Zn
a)
Zinc
b)
Zambonie
c)
Zorro
d)
Zene
27.
Ca
a)
Calcium
b)
Calcite
c)
Chlorine
d)
Crimson
28.
P
a)
Phosphorus
b)
Paste
c)
Pinicilin
d)
Photon
29.
I
a)
Iodine
b)
Igneous
c)
Intenve
d)
Ipoxy
30.
Si
a)
Silicon
b)
Stymzia
c)
Sulphur
d)
Simphony
31.
Cu
a)
Copper
b)
Culfate
c)
Cucumber
d)
Carbon
32.
Al
a)
Aluminum
b)
Altivia
c)
Activia
d)
Alopajia
33.
Ag
a)
Silver
b)
Gold
c)
Copper
d)
Siatica
34.
Au
a)
Gold
b)
Silver
c)
Copper
d)
Augmentium
35.
Fe
a)
Iron
b)
Fesium
c)
Ferral
d)
Gold
36.
He
a)
Helium
b)
Heman
c)
Hemoglobin
d)
Hydrogen
37.
K
a)
Potassium
b)
Kelvin
c)
Kryptonite
d)
Karat
38.
Na
a)
Sodium
b)
Nalcium
c)
Nadia
d)
Gold
39.
F
a)
Fluorine
b)
Fluoride
c)
Fosphorus
d)
Felt
40.
A horizontal (side to side) row on the periodic table is called a ________
a)
Period
b)
Column
c)
Streak
d)
Group
41.
A vertical (up and down) column on the periodic table is called a ________
a)
Period
b)
Family
c)
Streak
d)
Group
42.
The region of the periodic table that goes along a zig zag line
a)
Mettaloids
b)
Metals
c)
Nonmetals
43.
Metalloids
a)
Elements that have properties (characteristics) of both metals and nonmetals.
b)
Elements that do not have properties (characteristics) of both metals and nonmetals.
c)
Elements that have properties (characteristics) of only metals.
d)
Elements that have properties (characteristics) of only nonmetals.
44.
Elements left of the zig zag line
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
None of the above
45.
Elements right of the zig zag line
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
None of the above
46.
The majority of elements are ________.
a)
Metals
b)
Nonmetals
c)
Metalloids
47.
Sodium (Na), Calcium (Ca), Iron (Fe), and Aluminum (Al) are examples of
a)
Metals
b)
Nonmetals
c)
Metalloids
48.
Chlorine (Cl), Oxygen (O), Sulfur (S), Iodine (I) are examples of
a)
Metals
b)
Nonmetals
c)
Metalloids
49.
Substances that cannot be changed into simpler substances
a)
Pure Substance
b)
Impure Substance
c)
Mixture
d)
Compound
50.
Elements qualify as which of the following?
a)
Pure Substance
b)
Impure Substance
c)
Mixture
d)
Compound
51.
Pure substances that are composed of two or more atoms that are chemically combined.
a)
Pure Substance
b)
Impure Substance
c)
Mixture
d)
Compound
52.
Can only be changed into simpler substances called elements by chemical changes.
a)
Pure Substance
b)
Impure Substance
c)
Mixture
d)
Compound
53.
Are composed of two or more different substances that retain their own individual properties and are combined physically (mixed together).
a)
Pure Substance
b)
Impure Substance
c)
Mixture
d)
Compound
54.
Can be separated by physical means (filtration, sifting, or evaporation).
a)
Pure Substance
b)
Impure Substance
c)
Mixture
d)
Compound
55.
Is not uniform throughout, the component substances can be visibly distinguished.
a)
Heterogeneous Mixtures
b)
Homogeneous Mixtures
56.
is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished.
a)
Heterogeneous Mixtures
b)
Homogeneous Mixtures
57.
Rock, Air, Blood, Italian Salad dressing, Ocean water are all examples of
a)
Heterogeneous Mixtures
b)
Homogeneous Mixtures
58.
Another name for a homogeneous mixture is a _______.
a)
Solution
b)
Solvent
c)
Solute
d)
Dilute
59.
When do Ionic Bonds form?
a)
when metals react with non metals
b)
when metals react with metals
c)
when non metals react with non metals
d)
when metalloids react with metalloids
60.
When do covalent bonds form?
a)
When two or more non metals form compounds
b)
When two or moremetals form compounds
c)
When two or more metalloids form compounds
d)
When metals and nonmetals react
61.
-Water (H2O)
-Glucose(C6H12O6)
-Table Salt (NaCl)
These are examples of
-Glucose(C6H12O6)
-Table Salt (NaCl)
These are examples of
a)
Chemical Formulas
b)
Elements
c)
Mixtures
d)
Pure Substances
62.
N2, O2, F2, Cl2, Br2, I2, and H2 are examples of
a)
diatomic molecules
b)
dialysis molecules
c)
elements
d)
Impure Substances
63.
In Ionic Bonds, electrons are
a)
Transferred
b)
Shared
64.
In Covalent Bonds, electrons are
a)
Transferred
b)
Shared
65.
NaCl
a)
Table Salt
b)
Water
c)
Sugar
d)
Oxygen Gas
66.
H2O
a)
Table Salt
b)
Water
c)
Sugar
d)
Oxygen Gas
67.
C6H12O6
a)
Table Salt
b)
Water
c)
Sugar
d)
Oxygen Gas
68.
O2
a)
Table Salt
b)
Water
c)
Sugar
d)
Oxygen Gas
69.
CO2
a)
Table Salt
b)
Water
c)
Sugar
d)
Carbon Dioxide
70.
Fe2O3
a)
Table Salt
b)
Water
c)
Sugar
d)
Rust
71.
Having a shiny surface or reflecting light brightly
a)
Luster
b)
Conductors
c)
Malleable
d)
Ductile
72.
Heat and electricity move through them easily
a)
Luster
b)
Conductors
c)
Malleable
d)
Ductile
73.
Ability to be hammered into different shapes
a)
Luster
b)
Conductors
c)
Malleable
d)
Ductile
74.
Ability to be drawn into a wire
a)
Luster
b)
Conductors
c)
Malleable
d)
Ductile
75.
Heavy for their size
a)
Luster
b)
Conductors
c)
Malleable
d)
High Density
76.
Not Shiny
a)
Luster
b)
Conductors
c)
Malleable
d)
Dull
77.
Heat and electricity do not move through them easily
a)
Luster
b)
Conductors
c)
Malleable
d)
Nonconductors
78.
Break or shatter easily (solids)
a)
Luster
b)
Conductors
c)
Malleable
d)
Brittle
79.
The temperature at which a solid can change to a liquid
a)
Melting Point
b)
Boiling Point
c)
Density
d)
Conductivity
80.
The temperature at which a liquid changes from a liquid to a gas.
a)
Melting Point
b)
Boiling Point
c)
Density
d)
Conductivity
81.
The ability to act as an electrical conductor or an electrical insulator is based on the solid’s ability to complete an electric circuit, i.e., conduct electricity.
a)
Melting Point
b)
Boiling Point
c)
Density
d)
Conductivity
82.
The relative resistance of a metal or other material to denting, scratching, or bending.
a)
Melting Point
b)
Boiling Point
c)
Density
d)
Hardness
83.
The property of reacting to the forces exerted by magnets.
a)
Melting Point
b)
Boiling Point
c)
Density
d)
Magnetism
84.
Can be observed and measured without changing the kind of matter being studied.
a)
Physical Properties
b)
Chemical Properties
85.
Can be recognized only when substances react or do not react chemically with one another, that is, when they undergo a change in composition.
a)
Physical Properties
b)
Chemical Properties
86.
-Involves a substance reacting quickly with oxygen to produce light and heat.
-Also known as Combustibility.
-Also known as Combustibility.
a)
Ability to burn
b)
Ability to rust
c)
Density
d)
Hardness
87.
-The ability of a substance to rust is a chemical property that involves a substance reacting slowly with oxygen.
a)
Ability to burn
b)
Ability to rust
c)
Density
d)
Hardness
88.
The mass of a substance per unit of volume.
a)
Density
b)
Hardness
c)
Magnetism
d)
Conductor
89.
The formula for finding density
a)
Density= Mass divided by volume
b)
Density= Volume divided by volume
c)
Density= Volume divided by mass
d)
Density= Mass multiplied volume
90.
-Tastes sour
-Sticky texture
-pH= 0-6.9
-Sticky texture
-pH= 0-6.9
a)
Acid
b)
Base
c)
Neutral
91.
-Tastes bitter
-Slippery texture
-pH=7.1-14
-Examples: Baking soda, drain cleaner, Antacid
-Slippery texture
-pH=7.1-14
-Examples: Baking soda, drain cleaner, Antacid
a)
Acid
b)
Base
c)
Neutral
92.
-pH= 7
-Examples: Distilled Water
-Examples: Distilled Water
a)
Acid
b)
Base
c)
Neutral
93.
A colorless chemical that turns magenta (bright pink) in a base, and stays colorless in neutral or acidic solutions.
a)
Phenolphthalein
b)
Litmus Paper
c)
pH Paper
d)
Base Paper
94.
Do not change the composition of a substance, only the physical properties
a)
Physical Change
b)
Chemical Change
95.
Change in size or shape
a)
Physical Change
b)
Chemical Change
96.
Result in the formation of one or more new substances with new chemical and physical properties.
a)
Physical Change
b)
Chemical Change
97.
Color Change indicates a
a)
Physical Change
b)
Chemical Change
98.
Temperature Change indicates a
a)
Physical Change
b)
Chemical Change
99.
Formation of Precipitate (a solid) indicates a
a)
Physical Change
b)
Chemical Change
100.
Formation of Gas indicates a
a)
Physical Change
b)
Chemical Change
101.
What is a chemical reaction
a)
When a substance is broken apart or when substances are combined and at least one new substance is formed
b)
When a substance is broken apart or when substances are combined and at least no new substance is formed
102.
Left of the arrow represents
a)
Reactants
b)
Products
c)
Yield
103.
Right of the arrow represents
a)
Reactants
b)
Products
c)
Yield
104.
Law of Conservation of Matter
a)
the amount of matter does not change during a chemical reaction
b)
the amount of matter does change during a chemical reaction
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