JEE Main Chemistry question
The number of elements from the following that belong to group 13 is . Al, Si, C, As, Ga, Ge, Tl, Pb, Sb, B
Answer: 4
Solution
Checking each element against Group 13 (B, Al, Ga, In, Tl): (Group 13) ✓, (Group 14), (Group 14), (Group 15), (Group 13)
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