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The property of hydrogen of forming diatomic molecule is from ______________(a) halogen(b) alkali metal(c) noble gas(d) d-blockI got this question in an international level competition.My doubt stems from Position of Hydrogen in the Periodic Table topic in portion Hydrogen of Chemistry – Class 11

Answer» RIGHT option is (a) halogen

Best explanation: As we KNOW that hydrogen is an alkali METAL as WELL as a halogen. It has properties of both alkali metals and halogens, the property of formation of a DIATOMIC molecule is from halogens, but not from alkali metals.


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