GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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PHYSICAL SCIENCE Multiple Choice Nitrogen, sulfur, and selenium are all:
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W) metals
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X) nonmetals
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Y) metalloids
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Z) noble gases
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Explanation:
Detailed explanation-1: -The non-metallic chemical element sulfur, 3216S, referred to in Genesis as brimstone and identified as element by Lavoisier, is the tenth most abundant element in the universe and the fifth most common element on Earth.
Detailed explanation-2: -Non-metallic elements in the periodic table include hydrogen, carbon, nitrogen, oxygen, phosphorous, sulphur, silicon, boron, tellurium and selenium. They also include halogens (fluorine, chlorine, bromine, iodine and astatine) and noble gases (helium, neon, argon, krypton, xenon and radon).
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