find the odd man out Copper,sodium,mercury,nickel
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The odd one is Sodium as it is most reactive.
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Answer:
Mercury is the odd man out among the other metals.
Explanation:
'Sodium' is an alkali and a highly reactive metal. It can combine with the oxygen found in the air and can get immersed in inert gas.
'Nickel' is a lustrous metal which is ductile. It is only found in small amounts in the 'crust' of the earth.
'Copper' is a soft and ductile metal with electrical conductivity. It is used in jewelry making.
'Mercury' is a heavy metal. It is the only 'metallic element' that is found in a liquid form, unlike the above-mentioned metals. They are usually found in thermometers.
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