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1) How many elements are available in nature? |
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Answer» Ans :- 92 elements It used to be believed that of the first92 elementson the periodic table (1 is hydrogen and92is uranium) that90 elementsoccur naturally. Technetium (atomic number43) and promethium (atomic number 61) were synthesized by man before they were identified in nature. PLEASE LIKE THE ANSWER |
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