Font size
WorksheetsChemical Bonding and Compounds Review
Total questions: 216
Worksheet time: 9hrs 5mins
The formula for this binary ionic compounds
Aluminum oxide is
Al2O3
Al3O2
Al O
Which is the correct formula for aluminum sulfide?
AlS
Al3S2
S3Al2
Al2S3
Which of the following is true for ionic bonding & ionic compounds?
They must be made of ions with like charges.
The negative ion must be written first.
Compounds must have an overall charge of zero.
They are made of metals and nonmetals.
The positive ion must be written first.
The formula for beryllium phosphide will contain (a) phosphide ions.
Oxygen has (a) valence electrons.
Which of the following pairs of elements will NOT form an ionic compound?
sodium and fluorine
phosphorous and aluminum
potassium and magnesium
strontium and oxygen
Ionic bonds happen because of the ____ of valence electrons.
sharing
transfer
keeping
covering
What is the correct formula for potassium oxide?
KO2
KO
K2O
OK2
What is the correct name for SrF2?
fluoride strontium
strontium fluorine
strontium diflluoride
strontium fluoride
KF
Why do all bonds form?
so the number of protons equals the number of electrons
so an atom can become unstable
to fill the outermost energy level
Which of the following apply to Group 18 on the Periodic Table?
They are called "Noble Gases"
They have 8 valence electrons
They are stable and unlikely to react with other elements
all of the above
What is the oxidation number for Group 1 Alkali Metals?
1-
1+
0
2+
What is the written name for the ionic compound?
(a)
What is the chemical formula for an ionic compound with the following elements?
(a)
Which of the following is an ionic compound:
CH4
I2
LiBr2
CO
CO2
dinitrogen pentoxide
N2O5
NO5
N5O2
N2O6
P₄S₁₀
tetrapotassium decasulfide
phosphorus decasulfide
tetraphosphorus decasulfide
phosphorus (X) sulfide
The following properties are all characteristics of ionic compounds EXCEPT
high melting and boiling points
soft
crystal lattice structure
conduct electricity when dissolved in water
Many are gasses at room temperature.
A material that has a low boiling point
Ionic
Covalent
Both
A single particle can be classified as a "molecule".
Ionic
Covalent
Both
Which of the following is true for BOTH ionic and covalent compounds?
They bond to attain a noble gas configuration
During bonding, atoms will increase in mass.
They either transfer or share protons to get the atomic number of a noble gas.
They always act like the noble gas that comes before them.
crystalline structure of alternating positive and negative charges
ionic
covalent
metallic
How many atoms are there TOTAL in H2SO4 ?
6
5
7
3
How many Oxygen atoms are in Al₂(SO₄)₃?
4
12
7
24
A subscript is the small number below the element symbol that tells the number of _______ of that element.
atoms
valence electrons
protons
elements
How do you calculate the number of neutrons? *
Mass = Atomic number - Neutrons
Mass - Atomic number = Neutrons
Atomic number = Neutrons
where are the metaloids found
far left, vertical
stair step/diagonal
far right horizontal
at the bottom
Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.
numbers, rows
masses, rows
masses, column
numbers, column
A row on the Periodic Table of Elements
family
period
row
isotope
Metals (select all that apply)
are found on the right side of the periodic table.
are found on the left side of the periodic table.
are good conductors of heat and electricity.
are brittle.
are malleable and ductile.
Nonmetals (select all that apply)
are found on the right side of the periodic table.
are found on the left side of the periodic table.
are good conductors of heat and electricity.
are brittle.
can be solid, liquids, or gases at room temperature.
Name for NaH
sodium hydrogen
potassium hydride
sodium hydride
potassium hydrogen
Formula for barium sulfide
B2S3
BaS
Ba2S
BaS2
Formula for lead (II) chloride
PbCl2
Pb2Cl
Pb2Cl3
Pb3Cl2
Name for PBr2
phosphorus bromide
phosphorus dibromide
phosphorus dibromine
phosphorus bromine
Formula for Disilicon Heptasulfide
SiS6
SiS7
Si2S6
Si2S7
Name for LiOH
lithium hydrogen oxide
lithium hydroxide
lithium (II) hydroxide
lithium (I) hydroxide
Name for SrBr2
strontium bromine
strontium bromide
strontium dibromide
strontium dibromine
Formula for sulfur dioxide
S2O
SO2
S2O2
(SO)2
Formula for Cobalt (II) bromide
CoBr
Co2Br2
Co2Br
CoBr2
Formula for aluminum phosphate
Al2P3
Al3PO4
AlP
AlPO4
Formula for Perchloric acid
HCl2O4
HCl4
HClO
HClO4
How many Oxygen atoms are in H2O?
1
2
0
4
What type of elements form covalent bonds?
Metals
Non Metals
Metalloids
Nobel Gas
When a covalent bond forms _______________ are shared.
protons
nutrons
valence electrons
quarks
Compounds have _________________ properties, compared to the elements that form them.
similar
different
How many valence electrons does Oxygen (O) have?
6
8
15
16
How many atoms of hydrogen are in a sugar molecule with the formula C6H12O6
12
6
24
18
Atoms that are _____________ will form bonds.
stable
unstable
An atom of nitrogen (N) has _______ open bonding sites.
5
4
3
8
Which statement describes the model that shows a compound.
Model X shows a compound because there are two different types of atoms
Model X shows a compound because two different atoms are chemically bonded together.
Model Y dhows a compound because there is more than one type of atom.
Model Y shows a compound because each pair of matching atoms can form a chemical bond.
Why do all bonds form?
so the number of protons equals the number of electrons
so an atom can become unstable
to fill the outermost energy level
Na2CO3
Which choice would be a molecule?
O
H
Au
H2
What kind of compound is made from the attraction between oppositely charged ions?
Covalent
Metallic
Ionic
Chemical
name this compound
ammonium phosphate
ammonium sulfate
aluminium phosphate
aluminium sulfate
the charge of ions is ................... respectively:
+3 / -2
+2 / -3
+3 / -3
-2 / +3
the phosphate ion has charge equals ......:
+2
+3
-8
-3
the compound name is:
lithium hydroxalate
lithium oxide
lithium bihydroxide
lithium hydroxide
sodium and Florine react and form an ionic compound
true
false
no enough information
when an atom lose two electrons from its outer energy level it transforms to :
+1 ion
+2 ion
-1 ion
-2 ion
Al2(SO4)3
The correct name for this acid H2SO3 is
Hydrosulfiric acid
Sulfurous acid
Sulfiric acid
Sulfate acid
Binary acids start with "____________"
acid
nitric
hydraulic
hydro
Always add the word "________" to the end when naming acids
base
hydro
acid
Baumstark
When naming oxyacids, change "-ite" to:
-ate
-ic
-ous
-ite
When naming oxyacids, change "-ate" to:
-ate
-ic
-ous
-ite
Calculate the relative formula mass of
aluminium oxide, Al2O3
[Relative atomic mass:
O = 16 ; Al = 27 ]
(a)
Calculate the relative formula mass of
copper (ii) sulphate, CuSO4.
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
(a)
Calculate the relative formula mass of
copper (i) sulphate, Cu2SO4.
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
(a)
What is the formula mass of the covalent compound silicon dioxide (SiO2)?
7193.6 g/mol
30.0 g/mol
44.1 g/mol
60.1 g/mol
H = 50%
H = 14.3%
H = 7.8%
H = 28.1%
Which element has an abundance of 39.03% in the compound sodium phosphate, Na3PO4
Na
P
O
None of the above
N or C?
The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 0.3?
Covalent
Polar Covalent
Ionic
The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 2.0?
Covalent
Polar Covalent
Ionic
The difference in electronegativity affects the type of bond will be formed. What type of bond would be formed with a difference of 0.6?
Covalent
Polar Covalent
Ionic
What type of bond would be formed between O and H?
Covalent
Polar Covalent
Ionic
How many valence electrons does carbon have?
4
5
6
7
USE THE PERIODIC TABLE
How many valence electrons does sodium have?
1
2
3
4
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
Why are halogens so reactive?
They want to get rid of their only valance electron
They only need one more electron
They are non reactive, they have a full shell
Atoms that gain electrons become...
negatively charged
positively charged
remain neutrally charged
Atoms that lose electrons become...
negatively charged
positively charged
remain neutrally charged
Which has the greater electronegativity:
N or C?
C
N
Which has the greater electronegativity:
H or F?
H
F
How many Hydrogen are in H2O?
1
2
3
Not enough information.
Which of the following describes accurately the chemical formula between Mg 2+ and Cl -
MgCl2
Mg2Cl
Cl2Mg2
Mg2Cl2
With the exception of Hydrogen and Helium, how many valence electrons do the remaining elements want to have through chemical bonds in order to have a complete number of outer electrons?
6
8
2
4
Electrons in a polar covalent bond are shared _______.
equally
unequally
the same.
non-stop equally
Electrons in a nonpolar covalent bond are shared _________.
equally
unequally
differently
oppositely
In a metallic substance the sea of valence electrons produce __________ luster, which is how light reflects off the surface.
earthy/dull
pearly/glassy
metallic/shiny
dull/greasy
When naming an Ionic Compound you must change the ending of the nonmetal to include the letters _______.
ide
tor
ite
ness
A positively charged ion is
a cation.
an anion.
in a good mood.
is an optimist.
A negatively charged ion is
a cation.
an anion.
in a good mood.
is an optimist.
A chemical bond that involves the SHARING of electrons.
ionic bond
an Ion
covalent bond
a anion
Ionic Bonds
metal with nonmetal
nonmetal with nonmetal
Covalent Bonds
metal with nonmetal
nonmetal with nonmetal
CaCl
Ionic Bond
Covalent Bond
NaO
Ionic Bond
Covalent Bond
Cl2
Metal with Nonmetal
Nonmetal with Nonmetal
Zinc fluoride
ZnF2
Zn2F
ZnF
Zn2F4
When naming ionic compounds, the metal is always named first and the nonmetal is always named second.
True
False
Write the correct formula for Sodium Chloride.
SC
SCl
NaCl
NaCl2
What is the correct formula for a compound formed from the ions K + and N-3
KN
KN3
K3N3
K3N
What is the correct formula for a compound formed from Na + and S -2
Na2S
NaS2
Na2S2
NaS
