Identify the odd term from the following. [3 Marks]
A. Gold, silver, iron, diamond
B. Ductility, brittleness, sonority, malleability
C. Carbon, bromine, sulphur, phosphorus

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Solution

a. Gold, silver, iron, diamond
Diamond is the odd one out. It is a non-metal. All others are metals. [1 Mark]

b. Ductility, brittleness, sonority, malleability
Brittleness is the odd one out. It is the property of non-metal, while all others are properties of metals. [1 Mark]

c. Carbon, bromine, sulphur, phosphorus
Bromine is the odd one out. It is the only non-metal which exist in liquid state, others are non-metals that exist in solid state. [1Mark]

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