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IB Chemistry SL — Chemical Bonding Question Paper & Practice Test

25 syllabus-aligned questions on ionic, covalent, and metallic bonding for Singapore's IB Diploma students. Preview 5 for free — sign up to generate, customize, and download the complete test as a printable PDF.

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IB Chemistry SL — Chemical Bonding
25-Question Practice Test · Mixed Difficulty · IB-Aligned
MCQ
Q1.
Which type of bonding is present in sodium chloride (NaCl)?
A) Covalent
B) Ionic
C) Metallic
D) Hydrogen bonding
Correct Answer: B
Short Answer
Q2.
Explain the difference between a sigma (σ) bond and a pi (π) bond in terms of orbital overlap.
Structured Question
Q3.
Using VSEPR theory, describe the shape of a methane (CH₄) molecule, state the bond angle, and explain the reasoning behind this shape.
Numerical
Q4.
Given that the bond energy of a C–H bond is 413 kJ/mol, calculate the total energy required to break all four C–H bonds in one mole of methane.
Conceptual
Q5.
Explain why ionic compounds such as NaCl have high melting points compared to simple covalent molecules such as Cl₂.

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