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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

The atomic numbers of some elements are given below: 11, 15, 20, 27, 31, 35, 38, 48, 49, 52 From the above, the number of elements that belong to the p-block is .

Answer: 5

Solution

Checking each: 11(Na, s-block), 15(P, p-block), 20(Ca, s-block), 27(Co, d-block), 31(Ga, p-block), 35(Br, p-block),

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Question ID VK-133892