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WorksheetsPhy Sci, Thursday Bell Ringer Quiz, 12.20.18
Total questions: 15
Worksheet time: 45mins
Name
Class
Date
1.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
2.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
3.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
4.
Name this compound:
NaBr
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
5.
How do the following two elements bond together?
Pb4+ O2-
Pb4+ O2-
a)
PbO
b)
Pb2O3
c)
PbO2
d)
Pb3O2
6.
How do the following two elements bond together?
Na1+ F1-
Na1+ F1-
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
7.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
8.
What usually forms a positive ion?
a)
metal
b)
nonmetal
c)
metalloid
d)
there is no way to tell
9.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
10.
What would be the proper chemical formula for combining Al3+ and Cl- :
a)
AlCl3
b)
Al3Cl
c)
AlCl
d)
Al3Cl3
11.
The first step in naming an ionic compound is always...
a)
Naming the anion (non-metal)
b)
Changing the ending to -ide
c)
Naming the cation (metal)
d)
Writing the cation charge
12.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
13.
Metals tend to
a)
gain electrons
b)
lose electrons
14.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
15.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
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