Practice Structure 2. Models of bonding and structure with authentic IB Chemistry exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like atomic structure, chemical reactions, and organic chemistry. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Paper
Level
Question 1
SL & HLPaper 1A
Which of the following is a good explanation for why metals are malleable?
Question 2
SLPaper 2
Lithium, sodium, and potassium are Group 1 metals.
1.[1]
State the trend in melting point down Group 1.
2.[1]
Suggest how the number of delocalized electrons compares in these metals.
3.[2]
Explain the trend in melting point based on bonding.
Question 3
SL & HLPaper 1A
Which is correct for the structure shown?
I. The substance has a network covalent structure
II. The substance is a poor conductor of electricity
III. The atoms have a tetrahedral arrangement
Question 4
SL & HLPaper 1A
Which of the following statements is true about ionic compounds?
Question 5
SL & HLPaper 1A
What type of bond is formed when two non-metals share electrons?
Question 6
SLPaper 2
Sodium chloride is an example of an ionic compound.
1.[1]
State the type of bonding in sodium chloride.
2.[2]
Identify the ions formed when sodium reacts with chlorine.
3.[2]
Describe the electrostatic interaction that holds the lattice together.
Question 7
HLPaper 2
Electrical and thermal conductivity depend on the mobility of electrons in metals.
1.[2]
Explain why aluminium is a better electrical conductor than sodium.
2.[3]
Compare the electrical conductivity of sodium (), magnesium (), and aluminium (), and justify your order.
3.[1]
Suggest one use of copper based on its high electrical conductivity.
Question 8
SLPaper 1A
Which substance dissolves in water to form a solution that does not conduct electricity?
Question 9
HLPaper 1A
Which set correctly describes the bonding and molecular shape of the carbonate ion, ?