Question

naturally occuring elements are mixtures of​

Answer 1

compound cannot be separated into its constituents by physical processes and it can only be separated into its constituents by chemical process

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Answer 2

Answer:

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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