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WorksheetsCommunity Chem Unit 4 Test Review
Total questions: 25
Worksheet time: 44mins
Name
Class
Date
1.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
2.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
3.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
4.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
5.
Which of the following elements has the highest value for electronegativity?
a)
F
b)
Cl
c)
P
d)
K
6.
Which of the following elements has the highest value for ionization energy?
a)
F
b)
Cl
c)
P
d)
K
7.
Which of the following elements has the highest value for atomic radius?
a)
F
b)
Cl
c)
P
d)
K
8.
Ionic bonding involves the ________ of electrons.
a)
transfer
b)
sharing
c)
exchange
d)
switching
9.
Covalent bonding involves the ________ of electrons.
a)
transfer
b)
sharing
c)
exchange
d)
switching
10.
The bond between Na and Cl would be considered
a)
Covalent
b)
Ionic
11.
The bond between H and Cl would be considered
a)
Covalent
b)
Ionic
12.
Who discovered the current version of the Periodic Table?
a)
Isaac Newton
b)
Dmitri Mendeleev
c)
Niels Bohr
d)
Albert Einstein
13.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
14.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
15.
Balance this equation-
__P4 + __O2 --> __P2O3
__P4 + __O2 --> __P2O3
a)
it is already balanced
b)
2, 1, 3
c)
1, 2, 3
d)
1, 3, 2
16.
Balance this equation
_N2 + _H2 --> _NH3
_N2 + _H2 --> _NH3
a)
1,2,3
b)
1,3,2
c)
1,1,2
d)
2,1,1
17.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
18.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction.
19.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
20.
What is the arrow in a chemical equation...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
21.
Is Hydrogen considered a metal or a non-metal?
a)
Metal
b)
Non-metal
22.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
23.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
24.
What is the number of valence electrons for Beryillum?
a)
1
b)
4
c)
2
d)
7
25.
?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
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