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WorksheetsNomenclature
Total questions: 60
Worksheet time: 25mins
Which type of force holds atoms together in a molecule?
Intermolecular
Intramolecular
Gravitational
Dispersion
What force causes water molecules to stick together?
Covalent
Dipole-dipole
Hydrogen bonding
Ionic
Which property is most influenced by intermolecular forces
Molar mass
Atomic radius
Boiling point
Flame color
Which of the following is ionic?
CO₂
H₂O
NaCl
CH₄
Why does NaCl conduct electricity in water?
It forms covalent bonds
It dissolves into ions
It shares electrons
It remains neutral
Electrons are shared in:
Ionic bonding
Covalent bonding
Hydrogen bonding
Metallic bonding
What is the name of CO?
Carbon oxide
Carbon monoxide
Monocarbon dioxide
Carbide oxide
What is the formula for iron(III) oxide?
FeO
Fe₂O₃
Fe₃O₂
Fe₃O
PCl₅ is best named as:
Potassium chloride
Phosphorus pentachloride
Phosphorus chloride
Pentaphosphorus chloride
What is the name of Fe(OH)₂?
Iron hydroxide
Iron(II) hydroxide
Iron(III) hydroxide
Iron monoxide
What is the correct formula for calcium hydroxide?
CaOH
Ca(OH)₂
Ca₂OH
CaOH₂
What is the name of HNO₃
Nitrous acid
Nitric acid
Nitrate acid
Hydrogen nitrate
Which of the following is an oxoacid?
Ca(OH)₂
H₂SO₄
FeCl₃
NaOH
Which formula correctly represents phosphoric acid?
H₃PO₄
PO₄H₃
H₃PO₃
HPO₄
What is the name of Zn(NO₃)₂
Zinc Nitrate
Zinc nitrite
Zinc dinitrate
Zinc nitrate (II)
What is the formula for tin(IV) sulfate?
SnSO₄
Sn(SO₄)₂
Sn₂SO₄
Sn₄(SO₄)
What is the name of Pb(OH)₂?
Lead hydroxide
Lead(II) hydroxide
Lead(IV) hydroxide
Plumbic hydroxide
Q76. Which of the following is a polyatomic ion?
Na⁺
Fe³⁺
NO₃⁻
Cl⁻
What is the correct name of SnCl₄?
Tin(II) chloride
Stannous chloride
Tetra-tin chloride
Tin(IV) chloride
Which compound includes a transition metal with multiple oxidation states?
NaCl
KNO₃
Fe₂(SO₄)₃
Mg(OH)₂
Which type of intramolecular force is responsible for the structure of molecules like H₂O or CO₂?
Hydrogen Bond
Covalent bond
Ionic Bond
Dipole-dipole
When making candy, sugar is heated until it melts and changes texture. What does this tell us about the forces between sugar molecules?
The intermolecular forces between sugar molecules overcome by heat, allowing it to melt
The intramolecular forces within sugar break apart, creating smaller molecules
Which intramolecular force has the greatest strength?
Ionic bond
Polar covalent
Non polar covalent
Which intermolecular force [IMF] requires hydrogen and one of the following: nitrogen, oxygen, fluorine?
Dipole-dipole
London dispersion forces
Hydrogen bonding
Which type of intermolecular force [IMF] occurs between water molecules and increases the boiling point of water?
dipole-dipole forces
London dispersion forces
hydrogen bonding
Which of these molecules are polar? (Select ALL that apply.)
SO₂
PCl₃
F₂
O2
Which are examples of Covalent Bonds
CH4 (methane)
NaCL (sodium chloride)
Na(OH) (sodium hydroxide)
CaCl (calcium choride)
What type of intermolecular force is present in all molecules, even nonpolar ones?
London
Dipole-dipole
Hydrogen
What type of intermolecular force exists between two nonpolar molecules like O₂ or N₂?
Hydrogen Bonds
London dispersion forces
Covalent bonds
An attraction between two molecules that have a positive and a negative side are called
Ionic bonding
Dipole-dipole forces
London forces
Q1. Which of the following is a binary compound?
H₂O
NaNO₃
A system to classify mineralsK₂SO₄
CaCO₃
Q2. Which of these is NOT a binary compound?
NaCl
CO₂
NH₄NO₃
MgO
What does a binary compound consist of?
Two metals
One metal and one nonmetal
Two elements
One nonmetal and one polyatomic ion
Which of the following is a binary ionic compound?
CO₂
NaCl
H₂O
NH₃
Q5. Which is the correct name for CaF₂?
Calcium fluoride
Calcium difluoride
Calcium(II) fluoride
Calcium fluorine
Q6. What is the correct formula for potassium bromide?
KBr
K₂Br
KBr₂
BrK
Q7. What is the name of the compound Al₂O₃?
Aluminum trioxide
Aluminum oxide
Dialuminum trioxide
Aluminum(III) oxide
Which of the following is the correct name for FeCl₃?
Iron chloride
Iron(II) chloride
Iron(III) chloride
Ferric trichloride
What is the formula for magnesium oxide?
MgO
Mg₂O
MgO₂
Mg₂O₂
Which of the following is a correct name for a covalent compound?
Calcium chloride
Sodium oxide
Carbon dioxide
Potassium nitride
Why is FeCl₂ named iron(II) chloride and not iron chloride?
Because iron can form more than one ion
Because chlorine is a halogen
Because it's a covalent compound
Because it's a noble gas
You are given the name dinitrogen monoxide. What does this tell you?
The compound is ionic
There are two nitrogen atoms and one oxygen atom
The compound has a positive charge
It contains hydrogen
If a compound is made of a metal and a nonmetal, you can assume it is:
A covalent compound
A binary ionic compound
A polyatomic compound
An organic molecule
Which statement best explains why CO₂ is considered a binary compound?
It contains carbon and two oxygen atoms
It contains only nonmetals
It contains two different elements
It is a gas
Which of the following is a correct rule for naming binary covalent compounds?
Use Roman numerals
Name the metal first
Use Greek prefixes
Add -ate to the second element
What is the name of the compound P₂O₅?
Diphosphorus pentaoxide
Phosphorus oxide
Phosphorus pentoxide
Diphosphorus pentoxide
Which of the following compounds would require a Roman numeral in its name?
NaCl
MgO
FeO
KBr
A student names the compound N₂O₄ as dinitrogen tetraoxide. Is this correct?
Yes, both prefix and element names are correct
No, nitrogen never uses prefixes
No, it should be nitrogen dioxide
Yes, but it should be spelled as 'tetroxide'
What is the formula for sulfur hexafluoride?
SF₆
S₂F₆
SF₄
S₆F
Which of the following would NOT be named using prefixes?
N₂O
CO₂
KCl
PCl₅
Which of the following best describes an ion?
An atom with the same number of protons and electrons
A molecule with no charge
An atom that has gained or lost electrons
A neutral atom with extra neutrons
What is the oxidation number of magnesium in Mg²⁺
-2
0
+1
+2
Which of the following elements is most likely to form a -1 ion?
Sodium (Na)
Oxygen (O)
Chlorine (Cl)
Calcium (Ca)
Which ion has the same oxidation number as its group number on the periodic table?
O²⁻
Na⁺
Cl⁻
N³⁻
The oxidation number of sulfur in SO₄²⁻ is:
-2
+4
+6
-6
Which polyatomic ion has an overall charge of -1?
Ammonium (NH₄⁺)
Sulfate (SO₄²⁻)
Hydroxide (OH⁻)
Carbonate (CO₃²⁻)
What is the oxidation number of nitrogen in NO₃⁻?
-1
+3
+5
-3
Why is the oxidation number of oxygen usually -2?
Because it has two protons
Because it loses 2 electrons
Because it needs 2 electrons to complete its octet
Because it gains 2 protons in reactions
Which of the following statements is correct about polyatomic ions?
They consist of only one type of atom
Their oxidation numbers always add up to zero
The sum of their atoms’ oxidation numbers equals the ion's charge
They can’t be found in ionic compounds
In the polyatomic ion PO₄³⁻, what must be the oxidation number of phosphorus (P), assuming oxygen is -2?
+3
+5
-3
+2
