Solved UPSC CDS/OTA Question
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Q · Classification of Elements Easy · 45s
Metals, non-metals, and metalloids are classified chiefly by their:
TopicClassification of Elements
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Luster, conductivity, and bonding behavior determine these categories.
Final Answer: Option B - Physical and chemical properties