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Nomenclature & Chemical Reactions

Total questions: 46

Worksheet time: 2hrs 8mins

Name
Class
Date
1.

Which of the following does not show evidence that a chemical reaction has occurred.

a)

a precipitate formed

b)

melting

c)

bubbles: formation of a gas

d)

change in temperature

2.

Describes the number of atoms of each element in a compound.

a)

coefficient

b)

superscript

c)

subscript

d)

SI unit

3.
What are the correct coefficients when this equation is balanced?
KClO3  --> KCl  +  O2
a)
2,2,2
b)
2,2,3
c)
1,2,3
d)
3,3,3
4.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
5.

a substance or substances that are formed as the result of a chemical reaction

a)

Product

b)

Reactant

c)

Starters

d)

Enders

6.

represents a chemical reaction

a)

Long Hand

b)

Short Hand

c)

Electron Configuration

d)

Chemical Equation

7.
Balance this reaction: ____ Na3PO4 + ____ KOH ---> ____ NaOH + ____ K3PO4
a)
1,3,3,1
b)
1,3,2,1
c)
2,3,3,1
d)
1,1,3,1
8.
Balancing this reaction: ____ CH4 + ____ O2 ---> ____ CO2 + ____ H2O
a)
2,1,3,1
b)
1,2,1,2
c)
1,2,2,1
d)
2,1,1,2
9.
Balance this reaction: ____ NaF + ____ Br2 ---> ____ NaBr + ____ F2
a)
3,1,2,1
b)
1,2,3,4
c)
2,1,2,1
d)
1,2,1,2
10.
Balance this reaction: ____ NH3 + ____ H2SO4 ---> ____ (NH4)2SO4
a)
2,1,1
b)
2,1,2
c)
1,2,2
d)
2,2,1
11.
Balance this reaction: ____ GaF3 + ____ Cs ---> ____ CsF + ____ Ga
a)
1,1,3,1
b)
1,2,3,1
c)
2,3,3,1
d)
1,3,3,1
12.
Balance this reaction: ____ BaS + ____ PtF2 ---> ____ BaF2 + ____ PtS
a)
1,1,1,1
b)
1,2,1,1
c)
1,1,1,2
d)
2,1,1,1
13.
Balance this reaction: ____ HCN + ____ CuSO4 ---->____ H2SO4 + ____ Cu(CN)2
a)
2,1,1,2
b)
2,1,1,1
c)
1,2,2,1
d)
1,2,1,1
14.

Why must chemical equations be balanced?

a)

So that the equation doesn't explode

b)

The reaction won't happen until it is balanced

c)

Based on the Law of Conservation of Mass, mass cannot be created or destroyed.

15.
How many atoms of hydrogen (H), sulfur (S), and oxygen (O) are there in sulfuric acid (H2SO4)?
a)
H-6, S-4, O-4
b)
H-1, S-2, O-8
c)
H-2, S-1, O-4
d)
H-2, S-4, O-4
16.

Which of the following could indicate a chemical change?

a)

All of the answers could indicate Chemical Change

b)

a color change has occurred

c)

bubbles appear

d)

a change in temperature

17.

In reactions, the mass of products must be equal to the mass of the..

a)

Products

b)

Reactants

c)

Starters

d)

Enders

18.

According to the law of conservation of mass, how does the amount of each element on the product side compare to each element on the reactant side?

a)

The amount of atoms on each side is equal

b)

The amount of atoms on the product side is greater

c)

The amount of atoms on the reactant side is greater

d)

Depends on the reaction

19.

In the chemical equation pictured, what would be the total mass of the product if the total mass of the reactants is 12 grams?

a)

6 grams

b)

12 grams

c)

24 grams

d)

2 grams

20.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
21.

True or false? In naming ionic compounds,

the cation is always named first and the anion

second.

a)

True

b)

False

22.

The correct name for LiCl is _______.

a)

lithium monochloride

b)

lithium(I) chloride

c)

monolithium chloride

d)

lithium chloride

e)

monolithium monochloride

23.

The correct name for FeO is _____.

a)

iron oxide

b)

iron (II) oxide

c)

iron (III) oxide

d)

iron (IV) oxide

e)

iron (I) oxide

24.

Which of the following is not the correct

combination of compound name and its formula?

a)

hydrobromic acid; HBr

b)

calcium sulfate; CaSO4

c)

beryllium oxide; BeO

d)

nickel(II) peroxide; Ni2O

e)

ammonium chromate; (NH4)2CrO4

25.

Which of the following is not the correct

combination of compound name and its formula?

a)

hydrobromic acid; HBr

b)

calcium sulfate; CaSO4

c)

beryllium oxide; BeO

d)

nickel(II) peroxide; Ni2O

e)

ammonium chromate; (NH4)2CrO4

26.

Which of the following formulas is

incorrect?

a)

CaNO3

b)

MgS

c)

AlBr3

d)

Li2O

e)

NaOH

27.

Titanium(IV) oxide has the formula

a)

Ti4O

b)

TiO4

c)

Ti(IV)O

d)

TiO2

e)

Ti4O2

28.

The correct name for P2O5 is

a)

phosphorus(II) oxide

b)

phosphorus(V) oxide

c)

diphosphorus oxide

d)

diphosphorus pentoxide

e)

phosphorus pentoxide

29.

The correct name for an aqueous solution of H2CO3 is __________.

a)

carbonate acid

b)

hydrocarbonic acid

c)

carbonous acid

d)

carbonic acid

e)

hydrocarbonous acid

30.

The carbonate ion has the formula CO32–.

Which of the following is the correct formula

for sodium carbonate?

a)

Na(CO3)2

b)

Na2(CO3)2

c)

Na2CO3

d)

Na3(CO)2

e)

NaCO3

31.

The substance ClO3– is best described as

a)

a molecule

b)

a polyatomic ion

c)

a polyatomic molecule

d)

a mixture

32.

Potassium chlorate has the formula

a)

KCl

b)

KClO

c)

KClO2

d)

KClO3

e)

KClO4

33.

The name for Al(OH)3 is

a)

aluminum(III) hydroxide

b)

aluminum trihydroxide

c)

aluminum hydroxide

d)

monaluminum trihydroxide

e)

aluminum(I) hydroxide

34.

what is the name of CCl4?

a)

carbon tetrachloride

b)

monocarbon tetrachloride

c)

tetracarbon monochloride

d)

carbon chloride

35.

What is the formula of sulfuric acid?

a)

HSO

b)

HSO4

c)

H2SO4

d)

H2S2O4

36.

What is the formula of hydroiodic acid?

a)

HI

b)

H2I

c)

HI2

d)

HIO4

37.

Name Al2S3

a)

Aluminum sulfide

b)

Dialuminum trisulfide

c)

ammonium sulfide

d)

aluminum (II) sulfice

38.
Which of the following gives the correct chemical formula for the compound Dinitrogen Monoxide?
a)
NO
b)
N2O
c)
N2O2
d)
O2N2
39.
The bond between Na & F.   Ionic or covalent?
a)
Ionic
b)
Covalent
40.
The bond between N & H.   Ionic or covalent?
a)
Ionic
b)
Covalent
41.
Which of the following gives the correct chemical formula for the compound Calcium Nitride?
a)
Ca2N3
b)
CaN
c)
Ca3N2
d)
CaN2
42.
What is the correct chemical name for the ionic compound: Fe3N2
a)
Iron nitride
b)
Iron (III) nitride
c)
Iron (II) nitride
d)
TriIron dinitride
43.
What is the correct chemical name for the ionic compound: CuS
a)
copper sulfide
b)
copper (I) sulfide
c)
copper (II) sulfide
d)
copper monosulfide
44.
What is the correct chemical name for the molecular compound:  CS2
a)
Carbon Sulfide
b)
Carbon diSulfide
c)
diCarbide diSulfide
d)
Carbon (II) Sulfide
45.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
46.
What type of atoms make a covalent bond?
a)
only Nonmetals
b)
Metal and a Nonmetal
c)
only Metals
d)
only Noble Gases

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