WorksheetsIonic and Covalent
Total questions: 42
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
An electron has what kind of charge?
a)
no charge
b)
positive
c)
negative
d)
it depends
2.
Valence electrons are those in the ______ energy level of an atom.
a)
innermost
b)
outermost
c)
middle
3.
A charged atom is also called a(n) ______.
a)
ion
b)
isotope
c)
compound
d)
polyatomic compound
4.
What is Na2S called? (ionic)
a)
Sodium Sulfide
b)
Sodium Sulfate
c)
Sodium Sulfite
d)
Disodium Sulfide
5.
What is CaF2 called? (Ionic)
a)
Calcium (II) Fluoride
b)
Calcium Fluoride
c)
Calcium Fluorine
d)
Carbon Fluoride
6.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
d)
1
7.
LiBr is called
a)
lithium bromine
b)
lithium (I) bromine
c)
lithium bromide
d)
lithuim (I) bromide
8.
What do the electrons do in an ionic bond?
a)
they share electrons between elements
b)
they transfer electrons from one element to another
9.
What is the charge (oxidation number) on a Hydrogen ion?
a)
+1
b)
1
c)
2
10.
An ionic bond is the attraction between:
a)
oppositely charged ions
b)
similarly charged ions
c)
neutral ions
d)
neutral atoms
11.
How do positive ions form?
a)
by gaining electrons
b)
getting compliments
c)
by losing electrons
d)
gaining more protons
12.
How do negative ions form?
a)
by losing electrons
b)
by gaining electrons
c)
by gaining protons
d)
by being a bully
13.
All of the elements in the same group (column) have EQUAL #s of _______.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Oxidation number
14.
When chorine gains an electron to become an ion, we call it chlorate.
a)
True
b)
False
15.
An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?
a)
Gain 5
b)
Lose 3
c)
Nothing
16.
Zinc Fluoride
a)
ZnF2
b)
ZnF
c)
Zn2F
d)
Zn2F4
17.
TiCl2
a)
Tin(I) Chloride
b)
Titanium (I) Chloride
c)
Titanium (II) Chloride
d)
Titanium (I) Chloride
18.
Lithium Iodide
a)
LiI
b)
Li2I
c)
LiI2
d)
Li3I
19.
Calcium Nitride
a)
CaN
b)
Ca3N2
c)
Ca2N3
d)
Ca2N
20.
The name of CaI₂ is
a)
Calcium iodine
b)
carbon iodide
c)
calcium (II) iodide
d)
calcium iodide
21.
When naming ionic compounds, the cation is always named first and the anion is always named second.
a)
False
b)
True
22.
Write the correct formula for Sodium Chloride.
a)
SC
b)
SCl
c)
NaCl
d)
SCl2
23.
Which three nonmetals exist only as diatomic molecules?
a)
H, C, Br
b)
N, O, S
c)
I, F,N
d)
H, O, P
24.
For the structural formula shown, what is the chemical formula?
a)
NO
b)
N2O2
c)
NO2
d)
N2O
25.
The molecule shown has been called "laughing gas" and has been used in dentistry as a pain killer. What is its chemical name?
a)
Nitrogen oxide
b)
dinitrogen dioxide
c)
dinitrogen oxide
d)
nitrogen dioxide
26.
What is the proper name for CaCl2?
a)
Calcium dichloride
b)
Monocalcium dichloride
c)
Calcium chloride
d)
Calcium chlorine
27.
What is the proper name for Cu2O?
a)
Copper oxide
b)
dicopper oxide
c)
copper (II) oxide
d)
copper (I) oxide
28.
What is the proper name for S2O2?
a)
Sulfur oxide
b)
Sulfur dioxide
c)
sulfur (II) oxide
d)
disulfur dioxide
29.
What is the formula for chromium (I) selenide?
a)
Cr2Se
b)
CrSe
c)
CrSe2
d)
Cr2Se2
30.
Why do atoms share electrons?
a)
To attain the electron configuration of a noble gas.
b)
To become ions and take a charge
c)
to increase the mass
d)
it's a nice thing to do.
31.
Compared to ionic compounds, covalent compounds generally have...
a)
stronger chemical bonds
b)
poor conductivity
c)
a high melting point
d)
lower densities
32.
Covalent bonds usually form when a nonmetal combines with a(an) METAL.
a)
True
b)
False
33.
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
34.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
35.
What is a cation?
a)
positive ion
b)
Neutral atom
c)
Two additional protons
d)
negative ion
36.
What is an anion?
a)
positive ion
b)
negative ion
c)
neutral atom
d)
2 neutrons taken away
37.
Name the following compound:
CO2
CO2
a)
monocarbon dioxide
b)
carbon oxide
c)
carbon dioxide
d)
oxygen carbonide
38.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
39.
With the ________ you must have 8 electrons on the outside ring.
a)
anions
b)
ionic bonds
c)
cations
d)
octet rule
40.
NO
a)
Mononitrogen monoxide
b)
nitrogen oxide
c)
nitrogen monoxide
d)
nitrate monoxide
41.
SO3
a)
Monosilicon Trioxide
b)
Sulfate trioxide
c)
Sulfur trioxide
d)
Monosulfate oxide
42.
Phosphorus tribromide
a)
PBr
b)
PBr7
c)
P4Br4
d)
PBr3
100 %
