what is the number of naturally occurring element
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It used to be believed that of the first 92elements on the periodic table (1 is hydrogen and 92 is uranium) that 90elements occur naturally. Technetium (atomic number 43) and promethium (atomic number 61) were synthesized by man before they were identified in nature.
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Elements 1 through 92 (except for elements 43 and 61) occur naturally on Earth, although some are only present in extremely small quantities. The elements following uranium on the periodic table are only produced artificially, and are known as the transuranium or transuranic elements.
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