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Question
Find the odd one out and give its explanation.
Options
Lithium
Sodium
Magnesium
Potassium
MCQ
Odd One Out
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Solution
Magnesium
Explanation:
Lithium, sodium, and potassium all belong to Group 1 of the periodic table, which are the alkali metals. Magnesium, however, belongs to Group 2, which are the alkaline earth metals, giving it different chemical properties, such as a higher valency and lower reactivity compared to the others.
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