Mark Scheme (Merged) June 2025 [VERIFIED]
IB/M/Jun25/G4007/E11 8462/1F
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0 1 This question is about elements and compounds.
0 1 . 1 What is the name of the compound with the formula ZnBr2?
Use the periodic table.
[1 mark]
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Zinc bromide
Zinc chloride
Zinc iodide
0 1 . 2 A compound has the formula C2H6O
Table 1 shows information about a molecule of C2H6O
Table 1
Number of atoms of the
Symbol of element Name of element element in a molecule
of C2H6O
C 2
H Hydrogen
Oxygen 1
Complete Table 1.
Use the periodic table.
[3 marks]
IB/M/Jun25/8462/1F
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0 1 . 3 box
Potassium and sulfur react to produce potassium sulfide.
Write the word equation for this reaction.
[1
mark]
+ ⟶
0 1 . 4 Aluminium reacts with fluorine to produce aluminium
fluoride. Balance the equation for this reaction.
[2 marks]
7
Al + F2 ⟶ 2 AlF3
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