WorksheetsChemical Bonding & Reactions
Total questions: 52
Worksheet time: 41mins
Name
Class
Date
1.
This structure is called a(n)
a)
crystal lattice
b)
molecule
c)
electron sea
2.
In order to have a stable arrangement elements need ___________ electrons in the outer shell
a)
5
b)
6
c)
7
d)
8
3.
Group 1 has ___________ valence electron(s)
a)
1
b)
5
c)
3
d)
8
4.
Metals react by ____________ electrons
a)
losing
b)
gaining
5.
Nonmetals react by ____________ electrons
a)
losing
b)
gaining
6.
When a neutral atom loses a valence electrons, it loses a negative charge it becomes a ___________________________ ion
a)
positive
b)
negative
7.
When a neutral atom gains a valence electron, it gains a negative charge and becomes _______________ ion
a)
positive
b)
negative
8.
The force of attraction between two oppositely charged ions
a)
ionic bond
b)
chemical bond
c)
covalent bond
9.
In a chemical formula and a chemical name which ion is written first
a)
positive ion
b)
negative ion
10.
When a bond is formed by two atoms sharing electrons it is called a ______________ bond
a)
chemical
b)
covalent
c)
ionic
d)
metallic
11.
Covalent bonds form between two __________________ atoms
a)
metal
b)
nonmetal
c)
metalloid
12.
In an ionic bond these atoms combine
a)
metal + nonmetal
b)
nonmetal + nonmetal
c)
metalloid + metal
d)
nobel gas + Halogen
13.
In a double covalent bond how many electrons are being shared
a)
2
b)
3
c)
4
d)
5
14.
This is an attraction between a positive metal ion and the electrons surrounding it
a)
ionic bond
b)
covalent bond
c)
chemical bond
d)
metallic bond
15.
What is the name for LiI?
a)
lithium oxide
b)
lithium iodide
c)
lithium monoiodide
d)
monolithium iodide
16.
What is the formula for aluminum sulfide?
a)
Al2S3
b)
Al3S2
c)
Al2SO4
d)
AlS
17.
What is the name for CaS?
a)
calcium sulfate
b)
calcium sulfide
c)
calcium monosulfide
d)
monocalcium monosulfide
18.
Which of these is not a real bond in chemistry?
a)
James
b)
Ionic
c)
Covalent
19.
What is the formula for tin IV oxide?
a)
SnO
b)
Sn2O
c)
Sn4O
d)
SnO2
20.
What is the formula for chromium III bromide?
a)
Cr3Br
b)
CrBr3
c)
CrBr
d)
Cr3Br3
21.
What is the correct name for C4H6?
a)
Carbon Hexahydride
b)
Pentacarbon Pentahydride
c)
Hexacarbon Tetrahydride
d)
Tetracarbon Hexahydride
22.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
23.
What is the formula for Tricarbon Octahydride?
a)
Ca3O
b)
C2H8
c)
C3H8
d)
Ca3H8
24.
What is the formula for Sulfur Trichloride?
a)
SCl3
b)
SiCl3
c)
SCl4
d)
Si3Cl
25.
This structure is called a(n)
a)
crystal lattice
b)
molecule
c)
electron sea
26.
This structure is called a(n)
a)
crystal lattice
b)
molecule
c)
electron sea
27.
Which type of bond will form this structure?
a)
ionic bond
b)
covalent bond
c)
metallic bond
28.
Which type of bond will form this structure?
a)
ionic bond
b)
covalent bond
c)
metallic bond
29.
Which type of bond will form this structure?
a)
ionic bond
b)
covalent bond
c)
metallic bond
30.
What are the units for molar mass?
a)
grams
b)
moles
c)
grams/mole
d)
liters
31.
Fluorine gas is diatomic. What is its molar mass?
a)
18.998 g/mol
b)
37.996 g/mol
c)
9 g/mol
d)
18 g/mol
32.
Find the Molar Mass of:
Ga2(SO3)3
Ga2(SO3)3
a)
280 g/mol
b)
400 g/mol
c)
380 g/mol
d)
480 g/mol
33.
Determine the molar mass for CCl4
a)
158.8 g/mol
b)
47.54 g/mol
c)
189.35 g/mol
d)
82.9 g/mol
34.
What is the molar mass of NaOH?
a)
40 g/mol
b)
38.989 g/mol
c)
23.998 g/mol
d)
57.004 g/mol
35.
Which reaction type produces carbon dioxide and water?
Carbon fuel + O2(g) → CO2(g) + H2O(l)
Carbon fuel + O2(g) → CO2(g) + H2O(l)
a)
double displacement
b)
combustion
c)
single displacement
d)
decomposition
36.
Limestone reacts in this manner in the presence of acids. Which reaction type best fits this behavior?
CaCO3(s) + HCl(aq) → CaCl2(aq) + H2(g)
CaCO3(s) + HCl(aq) → CaCl2(aq) + H2(g)
a)
decomposition
b)
single displacement
c)
double displacement
d)
synthesis
37.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
38.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
39.
What type of chemical rection is this?
Na + CaF2 --> Ca + NaF
Na + CaF2 --> Ca + NaF
a)
Decomposition
b)
Single Replacement
c)
Synthesis
d)
Double Replacement
40.
What type of chemical reaction is this?
Fe + O2 --> Fe2O3
Fe + O2 --> Fe2O3
a)
Decomposition
b)
Single Replacement
c)
Synthesis
d)
Double Replacement
41.
What type of chemical reaction is this?
Al2S3 --> Al + S8
Al2S3 --> Al + S8
a)
Decomposition
b)
Single Replacement
c)
Synthesis
d)
Double Replacement
42.
In this image, what are the information in red is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
43.
In this image, what are the information to the right of the arrow (in black) is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
44.
Read the following chemical formula: C6H12O6. How many hydrogen atoms are in the formula?
a)
12
b)
6
c)
4
45.
Read the following chemical formula: Ca(NO3)2. How many oxygen atoms are in the formula?
a)
3
b)
6
c)
2
d)
1
46.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
47.
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
48.
Balance this equation...
Sb2S3 + O2 --> Sb + SO2
Sb2S3 + O2 --> Sb + SO2
a)
It is balanced
b)
Sb2S3 + 3O2 --> 2Sb + 3SO2
c)
Sb2S3 + O2 --> 2Sb + SO2
d)
I don't know...Oh well!
49.
_P4+_O2 ---> _P2O3
a)
3 P4+1 O2 ---> 2 P2O3
b)
1 P4+1 O2 ---> 2 P2O3
c)
1 P4+ 3 O2 ---> 2 P2O3
d)
1 P4+ 2 O2 ---> 3 P2O3
50.
When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
a)
charge
b)
subscript
c)
random number
d)
coefficient
51.
What is the 4 in front of aluminum in this equation called: 4Al + 3O2 --> 2Al2 O3?
a)
subscript
b)
coefficient
c)
yield
d)
molar mass
52.
What is the 2 behind aluminum in this equation called: 4Al + 3O2 --> 2Al2O3?
a)
subscript
b)
coefficient
c)
yield
d)
molar mass
100 %
