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WorksheetsChemistry Quiz
Total questions: 25
Worksheet time: 13mins
Which of the following is a diatomic molecule?
Helium (He)
Oxygen (O₂)
Carbon (C)
What is the chemical formula for potassium nitrate?
KNO₃
K₂O
KCl
What is the charge of a sodium ion (Na⁺)?
-1
+1
+2
Which of the following is an example of a physical property?
Reactivity with acid
Melting point
Flammability
What type of bond is formed when electrons are shared between atoms?
Ionic bond
Covalent bond
Metallic bond
Which of the following compounds is ionic?
H₂O
CO₂
NaCl
Draw the Lewis diagram for NaCl. Which of the following represents the correct structure?
Na⁺ [Cl]⁻
Na-Cl
Na=Cl
Balance the equation: H₂ + O₂ → H₂O. What are the correct coefficients?
1, 1, 1
2, 1, 2
2, 2, 2
Translate the formula FeBr₃ to its name.
Iron(II) bromide
Iron(III) bromide
Iron bromide
Which of the following reactions is a synthesis reaction?
2H₂ + O₂ → 2H₂O
2H₂O → 2H₂ + O₂
NaCl + AgNO₃ → NaNO₃ + AgCl
Identify the type of reaction: 2Na + Cl₂ → 2NaCl.
Decomposition
Synthesis
Single displacement
Which of the following compounds is a molecular compound?
NaCl
CO₂
MgO
Predict the product of the reaction: Zn + HCl → ?
ZnCl₂ + H₂
ZnH + Cl₂
ZnCl + H₂
What is the name of the compound with the formula H₂SO₄?
Hydrochloric acid
Sulfuric acid
Nitric acid
Draw the Lewis diagram for H₂O. Which of the following represents the correct structure?
H-O-H
H=O=H
H-O=H
Which of the following statements correctly describes the difference between ionic and covalent bonds?
Ionic bonds involve the sharing of electrons, while covalent bonds involve the transfer of electrons.
Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.
Both ionic and covalent bonds involve the sharing of electrons.
Evaluate the following statement: "All metals form positive ions."
True
False
Sometimes true
Which of the following compounds is likely to be a solid at room temperature?
CO₂
NaCl
H₂O
What is the chemical formula for lithium oxide?
LiO
Li₂O
LiO₂
Which element has the atomic number 6?
Carbon (C)
Nitrogen (N)
Oxygen (O)
Which of the following is a chemical property?
Density
Boiling point
Reactivity with water
What type of bond is formed between sodium (Na) and chlorine (Cl)?
Covalent bond
Ionic bond
Metallic bond
Translate the name "calcium fluoride" to its chemical formula.
CaF
CaF₂
Ca₂F
Balance the equation: C₃H₈ + O₂ → CO₂ + H₂O. What are the correct coefficients?
1, 5, 3, 4
1, 3, 3, 4
2, 7, 6, 8
Identify the type of reaction: 2KClO₃ → 2KCl + 3O₂.
Synthesis
Decomposition
Combustion
