InterviewSolution
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InterviewSolution
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Electronic configuration of all 118 elements? |
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Answer» ।There are now 118 known elements. ... Of these 118 elements, 94 occur NATURALLY on Earth. Six of these occur in EXTREME trace quantities: technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number 93; and plutonium, number 94. |
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