WorksheetsPractice test Mastery for Unit 2
Total questions: 95
Worksheet time: 55mins
Astrid and Aubrey are in a chemistry lab, and they stumble upon a mysterious compound. Can you help them identify which of the following compounds contains the elusive lead (IV) ion?
PbO
PbCl4
Pb2O
Pb2S
Hey chemistry enthusiasts! Jada and Sebastian are having a debate. Can you help them out? What is the correct name for KMnO4?
Potassium Manganese tetroxide
Pomanganese Oxide
Potassium permanganate
Potassium phosphite
Hey science enthusiasts! Trayce and Elias are having a debate. Can you help them figure out which of the following compounds doesn't belong to the nonpolar covalent bond club?
F2
N2
HCl
CO2
Madison and Leo are in a chemistry lab, and they stumble upon a mysterious compound labeled NH4ClO3. What would be the first name they should use for this compound?
Nitrogen
Ammonia
Nitrogen tetrahydride
Ammonium
Hey science whizzes! Hailey and Keira are having a friendly debate. Can you help them figure out which of the following chemical formulas is correct?
Al2(SO4)2
Na(ClO)3
Na2O
MgNO2
K2PO3
Jaquelin and Myles are exploring a mysterious formula, X3P. Can you help them figure out the charge of the unknown atoms in this intriguing compound?
2
1
4
3
Hey science whizzes! Cade and Jada are having a friendly debate. Can you help them figure out which pair below has the name and formula correctly matched?
N2O2 is dinitrogen bioxide
CaF2 is Calcium (II) difluoride
P2Cl5 is phosphorus pentachloride
SF6 is sulfur hexafluoride
Izzy and Max are in a chemistry lab, trying to figure out the correct formula for the compound formed between beryllium and phosphate. Can you help them solve this mystery?
Be3(PO4)2
Be3PO4
Be2(PO4)3
B3(PO4)2
Hey chemistry wizards! Autymn and Aiden are in a friendly debate. Can you help them figure out which of the following is the correct formula for hydrobromic acid?
HBr
HBrO3
H2BO4
H2Br
Elle and Naomi are in a chemistry class, and they need your help! Can you figure out the correct formula for potassium sulfite?
K2SO3
KSO4
P2SO3
K2SO4
Leo and Brielle are in a chemistry class, and they stumble upon a mysterious compound: Co2C2O4. Can you help them figure out the correct name for this compound?
Cobalt (III) dicarbon tetraoxide
Cobalt (III) oxalate
Cobalt (III) dicarboxide
Chromatic acid
During a fun science experiment, Chigozie, Eduardo, and Madi are exploring changes in matter. Which statement does not describe a physical change?
Methane gas burns in air to produce carbon dioxide and water.
A sample of copper is drawn into a thin wire.
Ice freezes at 0°C.
Mercury melts at -39°C.
Hey chemistry detectives! Leo and Ava are on a mission to uncover the mystery of the compound Fe3(PO4)2. Can you help them figure out the charge of the anion?
3
-3
1
-1
Hey science enthusiasts! Nestor and Aniya are having a friendly debate. Can you help them out? Which of the following is not a nonpolar covalent bond?
Br-Br
Mg-Cl
O=C=O
H-H
N-N
DeeAnna and Christian are having a science debate! DeeAnna claims that all these molecules have hydrogen bonds. Christian disagrees. Can you help them out? Which of the following would not have hydrogen bonds?
H2O
HCl
HF
H3PO4
NH3
Chigozie and Arianna are having a friendly debate about CH4. Can you help them figure out what kind of intermolecular force it has?
Dipole Dipole
Ionic
Hydrogen Bond
London Dispersion forces
Nestor and Brielle are having a fun science debate! Can you help them figure out which of these is not an intramolecular force?
forces between separate molecules
forces between 3 elements
forces within molecules
forces within ions
Hey science enthusiasts! Keira and Jayden are in a chemistry showdown. Can you help them figure out the correct formula for Mercury (II) phosphate?
Hg3PO4
Hg2PO4
Hg3(PO4)2
Hg2(PO4)3
Hey science explorers! Kamri and Elias are in a chemistry lab, and they stumbled upon a mysterious compound: Zn(OH)2. Can you help them figure out the charge of the cation in this compound?
4
1
2
3
Hey chemistry wizards! Whitney and Pedro are in a friendly debate about the compound Bi3(PO4)5. Can you help them figure out the correct Roman numeral to place between the names?
(III)
(IV)
(V)
(II)
Hey science enthusiasts! Camila and Ian are in a friendly competition to see who can name the chemical formula for Iron (II) dihydrogen phosphate first. Can you help them out?
Fe(H2PO4)2
Fe(HPO4)2
Fe3(HPO4)2
FeH2PO4
Hey chemistry detectives! Camron and Madison are on a mission to uncover the mystery of the compound Hg2SO4. Can you help them figure out the charge of the anion?
-6
3
-2
2
During a magical chemistry class, Gabe and Izzy stumbled upon a mysterious formula: Bi(X)3. Can you help them figure out the charge of the unknown atoms?
-2
-1
-4
-3
Hey science whizzes! Lilly and Terrence are in a lab trying to stabilize Tin (IV) oxide. Can you help them figure out how many oxygen atoms they need to make it stable?
4
3
2
1
Hey science enthusiasts! If our friend Gabe was mixing up a potion and stumbled upon the compound H2S, what would he call the second element?
sulfide
disulfide
monosulfide
sulfur
Hey science sleuths! Can you help Alyssa and Joshua figure out the name of this mysterious molecule: Cu(OH)2?
(a)
Hey chemistry enthusiasts! Can you help Christian and Lilly figure out the name of Sn(CN)4?
(a)
Hey science enthusiasts! Can you help Ava solve this mystery? What is the name of the compound with the formula SBr2?
(a)
Hey science enthusiasts! Can you help Angelly and Gabe figure out the name of AlF3? It's a fun chemistry puzzle!
(a)
Hey chemistry wizards! Can you help Aubrey figure out the name of this mysterious compound: Pb(MnO4)2?
(a)
Myles and Ayomide are in a chemistry lab, and they stumble upon a mysterious compound labeled P2S3. Can you help them figure out the name of this compound?
(a)
Hey chemistry enthusiasts! Can you help Ava figure out the name of the compound with the formula Li3PO4?
(a)
Hey chemistry enthusiasts! Can you help Cruz and Myles figure out the name of the compound with the formula Ag2S2O3? They're in a bit of a pickle and need your expertise!
(a)
Hey chemistry wizards! Kaylah and Nestor are on a quest to discover the formula for Cobalt (III) phosphide. Can you help them crack this chemical code?
(a)
Hey chemistry enthusiasts! Can you help Jamie solve this mystery? What's the formula for Lithium hydrogen sulfate?
(a)
Hey chemistry wizards! Zach and Aniya are in a friendly competition to see who can write the formula of Copper (II) perchlorate the fastest. Can you help them out?
(a)
Hey science whiz! Can you help Cheveyo crack this mystery? What's the formula for the sneaky molecule known as Sulfur difluoride?
(a)
Hey science enthusiasts! Can you help Leo solve this chemistry puzzle? He needs to write the formula for Boron hydrogen carbonate. Let's see if you can crack it!
(a)
Hey chemistry wizards! Can you help Beck solve this mystery? What's the formula for Iron (III) oxalate?
(a)
Hey chemistry wizards! Can you help Jamie solve this mystery? He needs to write the formula for Phosphorus tribromide. Can you crack the code?
(a)
Hey chemistry wizards! Can you help Trayce solve this mystery? He needs to write the formula for Aluminum hydrogen phosphate. Can you crack the code?
(a)
Elle and Beck are discussing chemistry. Elle says that ionic compounds are bonds between
Metals and Metals
Metals and Nonmetals
Nonmetals and Nonmetals
None of the above
Izzy and Myles are in a chemistry class learning about chemical compounds. They come across the compound CsCl. What is the correct name for CsCl?
Monocesium monochloride
Cesium monochloride
Cesium Chloride
Camila is studying chemistry and comes across the compound MgS. What is the correct name for this compound?
Magnesium sulfide
Monomagnesium monosulfide
Magnesium monosulfide
Jamie and Ava are in a chemistry lab. They are asked to identify the compound Na2S.
Disodium sulfide
Disodium sulfide
Sodium sulfide
Sodium monosulfide
Maia is conducting a chemistry experiment and needs to identify this compound:
KF
Potassium fluoride
Potassium fluorite
Fluorine potasside
Potassium fluorate
Jada and Logan are working on a chemistry project. They need to find the formula for magnesium phosphide. What is the correct formula?
Mg3P2
Mg2P3
Mg2PO3
Mg3(PO3)2
Angelly and Trin are discussing chemistry. Angelly says prefixes are NOT included when naming ionic compounds. Is she correct?
true
false
When Deep and Leo are naming binary compounds in their chemistry class, they always change the ending of the second element to ________.
-ate.
-ite.
-ide.
-ine.
Astrid is conducting an experiment in her chemistry class. She needs to determine the charge of the Oxide Ion for her report. What is the charge of the Oxide Ion?
+1
+2
+3
-3
-2
What is the charge of the Potassium Ion?
+1
+2
+3
-3
-2
What is the charge of the Beryllium Ion?
+1
+2
+3
-3
-2
What is the charge of the Boron Ion?
+1
+2
+3
-3
-2
What is the charge of the Phosphide Ion?
+1
+2
+3
-3
-2
What group of elements do not take a charge because they are stable and do not want to gain or lose electrons?
Transition Metals
Alkaline Earth Metals
Halogens
Noble Gases
Cations have what charge?
Positive charge
Negative charge
Anions have what charge?
Positive charge
Negative charge
When elements gain electrons they become more....
positive +
negative -
When elements lose electrons they become more....
positive +
negative -
In an ionic compound who goes first in the name the metal or the nonmetal? Ex. NaCl
Metal
Nonmetal
CaF2 --> its name would be?
Fluorine Calcide
Calcium Fluoride
Calcium (II) Fluoride
Ca+2F-1
Rb+1 S-2 --> These ions would have what formula?
Rb1S2
Rb2S
Rb2S1
Rb2S4
Ca+2 Br-1 --> These ions would have what formula?
Ca2Br1
Ca1Br2
CaBr2
Ca2Br1
Be+2 N-3 --> These ions would have what formula?
Be2N3
Be2N3
Be2N3
Be3N2
In the Formula K2Se, how many selenide ions are there?
0
1
2
3
Ionic bonds require which of the following? select what is needed.
metal
nonmetal
noble gas
transition metal
When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a __________.
prefix
suffix
superscript after the name
Roman numeral following the name
Which of the following represents the lead(II) ion?
Pb+2
Pb+1
Pb-1
Pb-2
Mg3P2
(a)
Cu(ClO2)2
(a)
What is the correct formula for Beryllium thiosulfate?
BeS2O3
Be(SCN)2
Be2S2O3
Be3(S2O3)2
Be2SCN
What is the correct formula for Iron (II) phosphate?
Fe2PO4
Fe(PO3)2
Fe2(PO4)3
Fe3(PO4)2
Fe3PO4
What is the correct formula for Mercury (I) dichromate?
Hg2Cr2O7
Hg(Cr2O7)2
HgCr2O4
HgCrO4
Hg2CrO4
Match the following names to the formulas
iron (III) bromide
FeBr3
silver (II) acetate
Ag(C2H3O2)2
Aluminum Chlorate
Al(ClO3)3
Dicarbon hexahydride
C2H6
beryllium sulfate
BeSO4
Match the following compounds to type of compound
Ionic bond
FeBr3
Polyatomic ionic bond
Al(ClO3)3
covalent bond
C2H6
metallic bond
25% Cu and 75% Zn
polyatomic ionic bond w/ transition metal
Ag(C2H3O2)2
Match the following type of compound to properties of compounds
Ionic bond
strongest intermolecular bond,
Conducts electricity,
High melting point
covalent bond
Weak intramolecular bond,
does not conduct electricity,
low melting point
metallic bond
Strongest intramolecular bond,
Conducts electricity, high melting point
Rank the following bonds in order of strongest to weakest
metallic bond
ionic bond
covalent bond
hydrogen bond
London dispersion / van de Waals forces
Match the following charges for cations and anions in compounds
FeBr3
+3, -1
Iron (III) oxalate
+3, -2
Cu(C2H3O2)2
+2, -1
Aluminum phosphate
+3, -3
Ammonium nitride
+1, -3
HCl
(a)
What is the formula for Boron iodide?
BI(3)
B(3)I(3)
BI
BI(2)
BI(1)
What is the correct formula for Copper (I) fluoride?
CuF
Cu(2)F(2)
Cu(1)F(2)
Cu(3)F
CuFe
What is the correct formula for Aluminum dihydrogen phosphate?
Al(H(2)PO(4))(3)
Al(HPO(4))(3)
Al(H(2)PO(3))(3)
Al(3)(HPO(4))(2)
Al(HPO(3))(2)
What is the correct formula for Ammonium permanganate?
NH(4)(MnO)(2)
NH(4)MnO(4)
(NH)(4)(MnO)(4)
NH(3)MnO
(NH)(4)(MnO)(4)
What is the correct formula for Zinc (II) hydroxide?
(ZnOH)(2)
ZnOH(2)
Zn(2)(OH)
Zn(OH)(2)
Zn(2)H(2)O
