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WorksheetsUnit 4 Review Game
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
The atomic model could be revised if...
a)
someone had a different opinion
b)
new information about atoms is discovered
2.
To which group of elements would one belong if it:
Reflected light rather well (luster)
Flattens out when hit (malleable)
Conducts electricity well (conductivity)
Reflected light rather well (luster)
Flattens out when hit (malleable)
Conducts electricity well (conductivity)
a)
nonmetals
b)
metalloids
c)
metals
3.
A student mixed 22.0 g of Liquid A and 9.0 g of Liquid B in a glass beaker.
A gas and 17.2 g of a new liquid were formed. She guessed that the mass of the gas was no more than 10.0 [LW1] grams. Is she right?
A gas and 17.2 g of a new liquid were formed. She guessed that the mass of the gas was no more than 10.0 [LW1] grams. Is she right?
a)
Yes
b)
No
4.
Weeks after dropping a piece of bread under your bed, you find it misshapen and covered in green mold. Is this a physical or chemical change?
a)
chemical
b)
physical
5.
Which chemical equation shows that no atoms are lost during a chemical reaction?
a)
8Fe + S8 → 8FeS
b)
8Fe + S8 → FeS
6.
Which part of the carbon cycle is indicated by the red arrows?
a)
digestion
b)
decay
c)
photosynthesis
7.
Which of the following would use fossil fuels?
a)
decaying animals
b)
cars
c)
trees
8.
Fireworks exploding, paper burning and cellular respiration are all types of
a)
exothermic reactions
b)
endothermic reactions
c)
double replacement reactions
9.
Which shows that reactants and products are chemically different?
a)
H₂O + C₄H₁ₒ → H₂O + C₄H₁ₒ
b)
Zn + 2HCl → H2 + ZnCl2
10.
Carbon atoms containing different numbers of neutrons are called Carbon
a)
isotoners
b)
isotopes
11.
Dalton’s idea that atoms cannot be divided into smaller parts was disproved by the discovery of the ________.
a)
proton
b)
nucleus
c)
electron
12.
The description of the structure of the atom is called the ___.
a)
atomic theory
b)
atomic model
13.
In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A ______ bond is found in a water molecule.
a)
covalent
b)
ionic
14.
Sodium chloride is formed when the metal sodium bonds to the nonmetal chlorine. The atoms are held together by a(n) ___.
a)
ionic bond
b)
chemical bond
15.
One way the modern atomic model differs from Thomson’s atomic model is that electrons are no longer scattered throughout an atom’s positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a specific ___.
a)
energy level
b)
neutron
c)
proton
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