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WorksheetsChemistry Final
Total questions: 46
Worksheet time: 1hrs 17mins
Name
Class
Date
1.
A binary covalent bond exists between
a)
2 metals
b)
1 metal and 1 nonmetal
c)
2 nonmetals
d)
Any 2 elements
2.
What is the correct name for C4H6?
a)
Carbon Hexahydride
b)
Pentacarbon Pentahydride
c)
Hexacarbon Tetrahydride
d)
Tetracarbon Hexahydride
3.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
4.
What is Sulfur Trichloride?
a)
SCl3
b)
SiCl3
c)
SCl4
d)
Si3Cl
5.
Phosphorous trichloride
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCL
6.
P2O5
a)
Phosphorus Oxide
b)
Pentaphosphorus Dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric Oxygen
7.
As4O10
a)
arsenic oxide
b)
quadarsenic decoxide
c)
tetraarsenic decoxide
d)
arsenic decoxide
8.
ammonium phosphate
a)
(NH4)3PO4
b)
NPO4
c)
NH4PO4
d)
NH4(PO4)3
9.
zinc fluoride
a)
ZnF2
b)
ZnF
c)
Zn2F
d)
Zn2F4
10.
aluminum sulfite
a)
Al2(SO3)3
b)
Al2(SO4)3
c)
AlSO3
d)
Al3(SO3)2
11.
sliver phosphide
a)
Ag3P
b)
Ag3PO4
c)
Ag3PO3
d)
AgP
12.
Ca(CN)2
a)
Calcium Cyanide
b)
Calcium Dicyanide
c)
Calcium Dicarbon Dinitrogen
d)
Calcium Thiocyanate
13.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
14.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
15.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
16.
True or False - Protons and Neutrons have about the same mass.
a)
True - They have about the same mass
b)
False - They do not have about the same mass
17.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
18.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
19.
Where is the nucleus located in an atom?
a)
Near the electron shells/levels
b)
Near the center of an atom
20.
Which two subatomic particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Neutrons and Electrons
c)
Electrons and Protons
d)
Protons and Neutrons
21.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
22.
The subatomic particles in blue are...
a)
Neutrons
b)
Protons
c)
Electrons
23.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
d)
Left side is balanced
24.
Fill in the blanks with coefficient:
PCl5+_ H2O→_ HCl+H3PO4
PCl5+_ H2O→_ HCl+H3PO4
a)
4, 5
b)
1, 6
c)
3, 8
d)
2,2
25.
Which side of a chemical equation is the product side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
26.
Which problem is balanced?
a)
PbO2 + 2H2--> H2SO4
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
d)
2Na + 2H2O --> 2NaOH + H
27.
Which problem is balanced?
a)
PbO2 + 2H2--> H2SO4
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
d)
2Na + 2H2O --> 2NaOH + H
28.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
29.
Balance this equation
_Zn+_HCl-->_ZnCl2 +_H2
_Zn+_HCl-->_ZnCl2 +_H2
a)
1,1,2,1
b)
1,1,1,2
c)
1,2,1,1
d)
2,1,1,1
30.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
31.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
32.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single diplacement
d)
Double displacement
33.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
34.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
35.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
36.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
37.
3Mg + N2 --> Mg3N2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
38.
If you have 2.7mol of water and the other reactants are in excess, what is the highest number of moles of HNO3 that can be produced?
a)
1.35 moles
b)
8.1 moles
c)
10.8 moles
d)
0.675 moles
39.
If you have 400 g of Chlorine and Sodium is in excess, how many moles of NaCl can be produced? (rounded)
a)
2.8 moles
b)
11.3 moles
c)
5.6 moles
d)
1.0 moles
40.
With 160 g of C2H6 and Oxygen in excess, how many grams of Carbon Dioxide can be produced? (rounded)
a)
5.33 grams
b)
10.67 grams
c)
469.3 grams
d)
704 grams
41.
Which of the following is a product in this reaction?
a)
NO
b)
O2
c)
H2O
d)
HNO3
42.
If you have 100 grams of Na and 85 grams of Cl2 which is he limiting reagent?
a)
Na
b)
Cl2
c)
NaCl
d)
OsO4
43.
Which of the following is a reactant in this reaction?
a)
C2H6
b)
CO2
c)
H2O
d)
OsO4
44.
Which is NOT a way to describe the limiting reagent?
a)
The one that runs out first
b)
The one that produces the least amount of product
c)
Not the excess reagent
d)
The one that produces the least amount of reactant
45.
Which is NOT one we've spoke about?
a)
Limiting Reagent
b)
Excess Reagent
c)
Stochiometry
d)
Boyle's Law
46.
Two Major events are happening on April 26, 2019. Which is more important?
a)
Taylor Swift Album release
b)
Avengers: Endgame
c)
Don't you dare choose TSwift
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