Why noble gases were discovered late???

1.	Why noble gases were discovered late???
Answer» GOOD question ;;; and here is your best answer?➡️Thecomponds of noble gases were discovered late because most\xa0elements\xa0were discovered through their reactivity with other elements, typically with oxygen, it was difficult for scientists to work with a substance that seemed to have little or no chemical properties based on the lack of reactivity. As there were present in extremely low concentration in the atmosphere and were very unreactive and inert

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