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WorksheetsOxidation ESL
Total questions: 70
Worksheet time: 39mins
Name
Class
Date
1.
Cations are
a)
positive
b)
negative
c)
on the right side of the periodic table.
d)
nonmetals
2.
What will nitrogen's charge be as an ion?
a)
+3
b)
-3
c)
0
d)
-1
3.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
4.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
5.
What is the charge does a sodium ion have?
a)
+2
b)
+1
c)
-1
d)
-2
6.
Which is most likely to form a negative ion?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
7.
When an atom loses a valence electron, it becomes a_____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
8.
Negative ions form when atoms _________ valence electrons.
a)
lose
b)
gain
c)
share
9.
Group 17 always has ions with a charge of
a)
+1
b)
+2
c)
-1
d)
-2
10.
What charge will an Oxygen ion have?
a)
+1
b)
-1
c)
+2
d)
-2
11.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
12.
Magnesium becomes Mg+2 by
a)
losing two electrons
b)
gaining two electrons
13.
Most Halogens (group 17)
form negative ions (Anions)
by
form negative ions (Anions)
by
a)
gaining electrons
b)
losing electrons
14.
Boron will ____ valence electrons when forming an ionic bond.
a)
lose three
b)
gain three
c)
lose 5
d)
gain 5
15.
Cations are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
16.
What is the charge of Cl -
a)
-1
b)
+1
c)
No charge
d)
1
17.
Ne has ______ charge
a)
0
b)
+10
c)
-10
d)
equal charge
18.
The dense, positively charged mass located in the center of the atom.
a)
nucleus
b)
proton
c)
isotope
d)
molecule
19.
Which subatomic particle is found outside of the nucleus?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
20.
What subatomic particles are found in the nucleus of an atom?
a)
neutron and electron.
b)
neutron and proton.
c)
proton and electron.
21.
Neutrons have what charge?
a)
Positive
b)
Negative
c)
No charge
d)
Super charged
22.
Electrons have what charge?
a)
positive
b)
negative
c)
no charge
d)
neutral
23.
What is the charge of an anion?
a)
Positive
b)
Negative
c)
No Charge
d)
Visa
24.
What is the charge of a cation?
a)
Positive
b)
Negative
c)
No Charge
d)
Master Card
25.
What is the charge of a Calcium (Ca) ion?
a)
1+
b)
2+
c)
1-
d)
2-
26.
What is the charge of a Sodium (Na) ion?
a)
1+
b)
2+
c)
3+
d)
1-
27.
What is the charge of a Nitrogen (N) ion?
a)
1-
b)
2-
c)
3-
d)
3+
28.
What is the charge of a Sulfur (S) ion?
a)
1-
b)
2-
c)
3-
d)
2+
29.
What is the charge of a Chlorine (Cl) ion?
a)
1+
b)
1-
c)
2+
d)
2-
30.
A proton has what charge?
a)
positive
b)
negative
c)
no charge
d)
it depends
31.
The force of attraction between two oppositely charged ions
a)
ionic bond
b)
strong force
c)
positive/negative force
32.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
33.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
34.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
35.
Atoms are most stable when their outer shell is filled with electrons.
a)
true
b)
false
36.
Will phosphorus gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
37.
Will Potassium gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
38.
Will boron gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
39.
Will Neon gain or lose electrons to become stable?
a)
gain
b)
lose
c)
neither
40.
How many electrons will potassium lose to become stable?
a)
1
b)
2
c)
8
d)
7
41.
How many electrons will phosphorus gain to become stable?
a)
3
b)
2
c)
8
d)
5
42.
How many electrons will sulfur gain to become stable?
a)
2
b)
6
c)
8
d)
3
43.
What is symbol for the most stable form of Gallium?
a)
Ga+3
b)
Ga-3
c)
Ga+5
d)
Ga-5
44.
What is the symbol for the most stable form of Sulfur?
a)
S-2
b)
S+2
c)
S-8
d)
S+6
45.
What is symbol for the most stable form of Magnesium?
a)
Mg+2
b)
Mg-2
c)
Mg-8
d)
Mg-6
46.
What is symbol for the most stable form of Iodine?
a)
I-
b)
I+
c)
I-7
d)
I+7
47.
What is symbol for the most stable form of Be?
a)
Be+2
b)
Be-2
c)
Be+6
d)
Be-8
48.
The oxidation for sulfur is
a)
+2
b)
-2
c)
+6
d)
-6
49.
Magnesium's ion
a)
Mg+
b)
Mg2+
c)
Mg-
d)
Mg2-
50.
Cations are _______ charged ions.
a)
positively
b)
negatively
c)
neutrally
d)
none of the above
51.
What is the charge on the ion formed by oxygen?
a)
+1
b)
+2
c)
-2
d)
-1
52.
Group 7 always has ions with a charge of
a)
+1
b)
+2
c)
-1
d)
-2
53.
What is the charge on the ion formed by neon?
a)
+1
b)
-1
c)
+/- 4
d)
no charge
54.
How would the electrons change as Chlorine becomes an ion?
a)
Gain 1
b)
Lose 1
c)
Gain 7
d)
Lose 7
55.
How many total electrons would Phosphorus have AFTER it becomes an ion?
a)
5
b)
8
c)
15
d)
18
56.
Which of the following would produce an anion?
a)
Ca
b)
Al
c)
K
d)
F
57.
Which of the following would produce an anion?
a)
Ca
b)
Al
c)
K
d)
F
58.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
59.
What is the charge does a sodium ion have?
a)
+2
b)
+1
c)
-1
d)
-2
60.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
61.
What is the charge on the ion formed by neon?
a)
+1
b)
-1
c)
+/- 4
d)
no charge
62.
What is the charge on the ion formed by oxygen?
a)
+1
b)
+2
c)
-2
d)
-1
63.
Cations are
a)
positive
b)
negative
c)
on the right side of the periodi table.
d)
nonmetals
64.
Ca+2 + Br-
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
65.
What is the charge on the potassium ion?
a)
+1
b)
+2
c)
-2
d)
-1
66.
What is the charge on the ion formed by bromine?
a)
+1
b)
+2
c)
-2
d)
-1
67.
What is the charge on the ion formed by phosphorus?
a)
+2
b)
+3
c)
-2
d)
-3
68.
What is the charge on the ion formed by calcium?
a)
+1
b)
+2
c)
-2
d)
-1
69.
What is the charge on the ion formed by aluminum?
a)
+1
b)
+2
c)
+3
d)
+4
70.
Name the ion.... Ca2+
a)
Calcium
b)
Calcide
c)
Calcium (II)
d)
Calciumide
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