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a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)

-सुब्रत मुखर्जी, अतिरिक्त महामंत्री ;समन्वयकद्ध, द.पू. रेल्वे मेन्स यूनियन, द.पू. रेल्वे, बिलासपुर I got such things here that I had been searching since long.

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