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Writing/Naming Chemical Compounds

Total questions: 49

Worksheet time: 49mins

Name
Class
Date
1.
The correct formula for the diagram is _________.
a)
K2O
b)
2KO
c)
KOK2
d)
KO2
2.
Carbon has four electrons in its valence shell. How many nore electrons does carbon need to have a full valence shell?
a)
2 more
b)
4 more
c)
8 more
d)
0 more, it is already full
3.
What is the correct term for "bond that forms when electrons are shared equally"?
a)
ionic bond
b)
metallic bond
c)
nonpolar covalent bond
d)
polar covalent bond
4.
What is the correct term for "bond that forms between a metal and a nonmetal"?
a)
ionic bond
b)
metallic bond
c)
nonpolar covalent bond
d)
polar covalent bond
5.
What is the correct term for "bond that forms when electrons are shared unequally"?
a)
ionic bond
b)
metallic bond
c)
nonpolar covalent bond
d)
polar covalent bond
6.
What is the correct term for "atom with more protons than electrons"?
a)
positive ion (cation)
b)
negative ion (anion)
c)
neutral atom
d)
stable atom
7.
What is the correct term for "atom with more electrons than protons"?
a)
positive ion (cation)
b)
negative ion (anion)
c)
neutral atom
d)
stable atom
8.
What is the correct term for "atom with a full valence shell"?
a)
positive ion (cation)
b)
negative ion (anion)
c)
neutral atom
d)
stable atom
9.
Protons are positively charges, electrons are negatively charged, and neutrons are neutral. Using the diagram, determine the overall charge.
a)
positive
b)
negative
c)
neutral
d)
static
10.
Which of the following formulas represents the harmful gas, carbon monoxide?
a)
CO
b)
CO2
c)
NO
d)
SO2
11.
Which type of bond is formed by the attraction of charged particles?
a)
ionic
b)
polar covalent
c)
nonpolar covalent
d)
metallic
12.
Which compound contains covalent bonds?
a)
NaI
b)
K2O
c)
N2O3
d)
BeO
13.
Which two elements would form an ionic bond?
a)
carbon and hydrogen
b)
oxygen and silicon
c)
cesium and iodine
d)
potassium and calcium
14.
Which of the following is a property of all covalent compounds?
a)
They are formed froma metal and a nonmetal.
b)
They are solids.
c)
They share electrons.
d)
They conduct electricity.
15.
What is the total number of atoms in the chemical formula shown below?
Al2(SO4)3
a)
17
b)
15
c)
10
d)
5
16.
Which is not a property of ionic compounds?
a)
They are formed when nonmetals bond to nonmetals.
b)
They form crystals.
c)
They dissolve in water.
d)
They have high melting points.
17.

The formula for Triiodine Pentafluoride is ____________.

a)

I5F3

b)

I3F5

c)

F5I3

d)

F3I5

18.

The formula for Ammonium Peroxide is ___________.

a)

NH2O2

b)

NH2O4

c)

(NH4)2O

d)

(NH4)2O2

19.

The name for Br6O4 is ____________.

a)

Hexabromine Tetraoxide

b)

Hexabromide Tetraoxide

c)

Hexabromine Tetraoxygen

d)

Hexabromide Tetraoxygen

20.

The name for NiSO3 is ____________.

a)

Nickel Sulfite

b)

Nickel (II) Sulfite

c)

Nickel (I) Sulfite

d)

Nickel (II) Sulfate

21.

The formula for Silver Nitrate is ____________.

a)

AgNO3

b)

AgNO2

c)

AgN

d)

Ag3N

22.

The formula for Heptacarbon Decachloride is ____________.

a)

C10Cl7

b)

Cl7C10

c)

C7Cl10

d)

C6Cl10

23.

The name for O2H8 is ____________.

a)

Dioxide Octahydrogen

b)

Dioxide Octahydride

c)

Dioxygen Octahydrate

d)

Dioxygen Octahydride

24.
Ba+2, Br-1
a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
25.
Ca+2, O-2
a)
CaO
b)
OCa
c)
Ca-2O+2
d)
Ca2O2
26.
The name of FeCl₂ is
a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
27.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
28.
When adding a subscript to a polyatomic ion, you should...
a)
multiply any subscripts on the polyatomic ion by the subscript you are adding
b)
put parentheses around the polyatomic ion before adding a subscript
c)
write the new subscript next to any subscripts on the polyatomic ion
d)
put the polyatomic ion in square brackets before adding the subscript
29.
Cl-,Na+
a)
NaCl
b)
Na1Cl1
c)
ClNa
d)
Na-1Cl
30.
Mg+2,F-1
a)
F2Mg
b)
Mg2F2
c)
MgF2
d)
MgF-2
31.
 I-1,Al+3
a)
IAl
b)
I3Al
c)
AlI3
d)
Al3I
32.
 S-2,Al+3
a)
AlS3
b)
Al2S3
c)
S3Al2
33.
The formula of calcium phosphate is 
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
34.
ammonium phosphate
a)
(NH4)3PO4
b)
NPO4
c)
NH4PO4
d)
NH4(PO4)3
35.
The chemical formula for tin (IV) oxide is written
a)
Sn2O4
b)
Ti2O4
c)
SnO2
d)
TiO2
36.
What is the formula for the compound formed by magnesium ions and nitrogen ions?
a)
MgN
b)
Mg2N3
c)
Mg3N2
d)
MgN3
37.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
38.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
39.

What is the chemical formula for Tetraphosphorous Pentachloride ?

a)

4P5Cl

b)

PCl

c)

P4Cl5

d)

none of the above

40.
What is the name of CO
a)
Carbon oxide
b)
Carbon dioxide
c)
Carbon monoxide
d)
Carbon II oxide
41.
What is the prefix for 1?
a)
mono
b)
di
c)
tri
d)
tetra
42.

What is the prefix for 8?

a)

non

b)

tri

c)

di

d)

octa

43.

covalent compounds contain

a)

2 non-metals

b)

1 metal + 1 non-metal

44.

We never write which prefix for the first element in a covalent compound

a)

mono

b)

we don't write any of them for the first element

c)

di

d)

we always write a prefix for the first element

45.

When adding a prefix with an "a" or an "o" to "oxide" you...

a)

keep the "a" or "o" on the prefix and add oxide

b)

drop the "a" or "o" on the prefix and add oxide

c)

keep the "a" or "o" on the prefix and drop the "o" on oxide

46.
How many valence electrons are in an atom of phosphorus (P)?
a)
5
b)
4
c)
3
d)
2
47.
Which of the following is the correct name for the chemical formula Li2S?
a)
Lithium sulfate
b)
lithium sulfide
c)
lithium sulfite
d)
lithium hyposulfite
48.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
49.
The chemical formula of Iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃

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