Which of the following element is non-metal belonging to p-block?
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Boron
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Aluminium
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Thallium
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Indium
A
Correct answer
Explanation
Boron is a non metal belonging to the p block. Being a non metal it is a poor conductor of electricity at room temperature but a good conductor at high temperature. The element is not found free in nature, but occurs as orthoboric acid which is usually found in certain volcanic spring water and as borates in boron and colemantie.