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WorksheetsBonding and Rxns Practice
Total questions: 60
Worksheet time: 5hrs 56mins
Name
Class
Date
1.
A covalent bond contains _______.
a)
halogens
b)
two metals
c)
a metal and a nonmetal
d)
nonmetals
2.
Electrons are ______ in covalent bonds.
a)
shared
b)
stolen
c)
transferred
d)
lost
3.
CO2
a)
ionic
b)
covalent
4.
An ionic bond contains _____________.
a)
two metals
b)
a metal and a nonmetal
c)
two nonmetals
d)
all gasses
5.
MgCl2
a)
ionic
b)
covalent
6.
If an element gains one electron, it's charge is _______________.
a)
+1
b)
-1
7.
Hydrogen is classified as a ________.
a)
metal
b)
nonmetal
8.
Which elements tend to lose electrons?
a)
metals
b)
nonmetals
9.
Which elements tend to gain electrons?
a)
metals
b)
nonmetals
10.
If Magnesium (Mg+2) and Fluorine (F-1) form an ionic bond, what is the chemical formula for that compound?
a)
Mg2F
b)
MgF2
c)
F2Mg3
11.
If Magnesium (Mg+2) and Fluorine (F-1) form an ionic bond, how many atoms would there be TOTAL in that compound?
a)
2
b)
3
c)
4
d)
5
12.
Which of the following gives the correct chemical formula for the compound created by Nitrogen and Potassium?
a)
K3N
b)
KN
c)
N3K
d)
KN3
13.
Which of the following gives the correct chemical formula for the compound created by the combination of Magnesium and Phosphorus?
a)
Mg2P3
b)
MgP
c)
Mg3P2
d)
MgP2
14.
What is the chemical name for the binary compound listed:
Na2O
Na2O
a)
Sodium oxide
b)
Sodium (II) oxide
c)
Disodium monoxide
d)
Disodium oxide
15.
What is the chemical name for the binary compound listed:
K2O
K2O
a)
potassium oxide
b)
potassium (II) oxide
c)
dipotassium monoxide
d)
potassium (III) oxide
16.
potassium triiodide
a)
KI
b)
K3I
c)
KI3
d)
3K3I
17.
dinitrogen tetrachloride
a)
N2Cl4
b)
NCl
c)
NCl3
d)
NClO4
18.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction.
19.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
20.
What is the right part of a chemical equation called...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
21.
Balance this equation...
HgO --> 2Hg + O2
HgO --> 2Hg + O2
a)
It is balanced
b)
2HgO --> Hg + O2
c)
2HgO --> 2Hg + O2
22.
Balance this equation...
H2 + Cl2 --> HCl
H2 + Cl2 --> HCl
a)
It is balanced
b)
3H2 + Cl2 --> 6H2Cl
c)
H2 + Cl2 --> 2HCl
d)
I don't know! Oh well.
23.
What is the left part of a chemical equation called...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
24.
ammonium chloride
a)
NH3Cl2
b)
NH4Cl
c)
NH4ClO3
d)
NH4Cl2
25.
CaCO3
a)
calcium monocarbon trioxide
b)
calcium carbide
c)
calcium carbonite
d)
calcium carbonate
26.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons
c)
The transfer of electrons
d)
None Of the above
27.
What do atoms that form positive ions tend to do?
a)
Tend to lose electrons
b)
Tend to lose protons
c)
Tend to gain electrons
d)
Tend to gain protons
28.
A group of atoms bonded together.
a)
A Molecule
b)
The Coefficient
c)
The Subscript
d)
An Atom Party
29.
How many molecules are in this chemical formula?
a)
4 Molecules
b)
6 Molecules
c)
2 Molecules
d)
5 Molecules
30.
How many oxygen atoms are in this chemical formula?
a)
6 oxygen atoms
b)
2 oxygen atoms
c)
3 oxygen atoms
d)
4 oxygen atoms
31.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
32.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
33.
_P4+_O2 → _P2O3
a)
P4 + 2O2 → 2P2O3
b)
2P4 + 5O2 → 4P2O3
c)
P4 + 3O2 → 2P2O3
d)
P4 + O2 → 3P2O3
34.
What is the total number of atoms present in 5Na3PO4
a)
5
b)
40
c)
55
d)
60
35.
Which of the following correctly balances this equation?
_H2+_Cl2 → _HCl
_H2+_Cl2 → _HCl
a)
2H2 + Cl2 → 4HCl
b)
H2+Cl2 → 2HCl
c)
3H2 + 3Cl2 → HCl
d)
H + Cl → HCl
36.
Chemical reactions that release energy are known as ________________________.
a)
Endothermic
b)
Exothermic
c)
Boring
d)
Reactions
37.
Chemical reactions that absorb energy are known as ________________________.
a)
Endothermic
b)
Exothermic
c)
Boring
d)
Explosive
38.
The substances that are present before a reaction are the...
a)
reactants
b)
products
c)
both of these
d)
neither of these
39.
Which type of reaction will feel warm?
a)
endothermic
b)
exothermic
c)
endergonic
d)
none of these
40.
Which type of reaction will feel cold?
a)
exothermic
b)
exergonic
c)
endothermic
d)
none of these
41.
_______________ can speed up the rate of reactions and/or lower the amount of energy needed for
the reaction to take place.
the reaction to take place.
a)
Carbohydrates
b)
Fuel source
c)
Chemical
d)
Catalyst
42.
What type of reaction is this?
NaOH + MgSO3 -->
Mg(OH)2 + Na2SO3
NaOH + MgSO3 -->
Mg(OH)2 + Na2SO3
a)
Single Replacement
b)
Double Replacement
c)
Combustion
d)
Synthesis
43.
What type of reaction is this?
C2H4 + O2 -->
CO2 + H2O
C2H4 + O2 -->
CO2 + H2O
a)
Combustion
b)
Double Replacement
c)
Single Replacement
d)
Decomposition
44.
What type of reaction is this?
Li + Mg(NO3)2 -->
LiNO3 + Mg
Li + Mg(NO3)2 -->
LiNO3 + Mg
a)
Combustion
b)
Double Replacement
c)
Synthesis
d)
Single Replacement
45.
Pick the products that would balance this equation.
Zn(s) + H2SO4(aq) -->
Zn(s) + H2SO4(aq) -->
a)
Zn(SO4)2 + H
b)
ZnSO4 + H2
c)
NR
d)
Zn2SO4 + H2
46.
Pick the products that would balance this equation.
NaOH + Fe(NO3)3 -->
NaOH + Fe(NO3)3 -->
a)
NaFe + OH(NO3)3
b)
2NaNO3 + 3Fe(OH)3
c)
NR
d)
3NaNO3 + Fe(OH)3
47.
Pick the products that would balance this equation.
KOH(aq) + H3PO4(aq) -->
KOH(aq) + H3PO4(aq) -->
a)
K3PO4 + 3HOH
b)
KH3 + OHPO4
c)
NR
d)
KPO4 + H3OH
48.
Pick the products that would balance this equation.
C2H4 + O2 -->
C2H4 + O2 -->
a)
C2O2 + H4
b)
CO2 + HOH
c)
NR
d)
2 CO2 + 2H2O
49.
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2O
Al(OH)3 --> Al2O3 + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement
50.
What type of chemical reaction is this one?
Mg + O2 --> MgO
Mg + O2 --> MgO
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement
51.
Predict the products for the this reaction:
K + HCl -->
K + HCl -->
a)
KCl + H2
b)
KHCl
c)
KH + Cl2
d)
KCl + H
52.
Predict the products for the this reaction:
Mg + CuCl2 -->
Mg + CuCl2 -->
a)
MgCl2 + Cu
b)
MgCl + Cu
c)
MgCu + Cl2
d)
CuMg + Cl2
53.
Predict the products for the this reaction:
AgNO3 + KCl -->
AgNO3 + KCl -->
a)
AgCl + KNO3
b)
AgK + ClNO3
c)
AgNO3 + KCl
d)
KAg + NO3Cl
54.
What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg
Ca + MgCl2 --> CaCl2 + Mg
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement
55.
What is the name for the solid formed during a reaction?
a)
Precipitate
b)
Rocks
c)
Bubbles
d)
Aqueous
56.
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2O
Al(OH)3 --> Al2O3 + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement
57.
Name this reaction: CO2 H20 --> H2CO3
a)
Decomposition
b)
Single Replacement
c)
Synthesis
d)
Combustion
58.
Name this reaction: Cl2 + KI --> I2 + 2KCl
a)
Synthesis
b)
Single Replacement
c)
Double Replacement
d)
Decomposition
59.
Write a balanced equation for this DR reactions
NaOH + Fe(NO3)3 -->
NaOH + Fe(NO3)3 -->
a)
NaFe + OH(NO3)3
b)
2NaNO3 + 3Fe(OH)3
c)
NR
d)
3NaNO3 + Fe(OH)3
60.
Write a balanced equation for this DR reaction
KOH(aq) + H3PO4(aq) -->
KOH(aq) + H3PO4(aq) -->
a)
K3PO4 + 3HOH
b)
KH3 + OHPO4
c)
NR
d)
KPO4 + H3OH
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