Question

who discovered non metal​

Answer 1

Answer:

selinium discovered non metal

Answer 2

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$<font color="orange"><i>$SELENIUM. When Swedish chemist Jons Berzelius (1779-1848) first discovered selenium in 1817, in deposits at the bottom of a tank in a sulfuric acid factory, he thought it was tellurium, a metalloid discovered in 1800. A few months later, he reconsidered the evidence, and realized he had found a new element.
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