(1) The number of elements which occur naturally, are:
A
112
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B
118
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C
94
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D
82
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Solution
The correct option is C
94
Explanation:
(C)
On Earth, 94 of these 118 elements occur naturally.
Technetium (atomic number 43), Promethium (atomic number 61), Astatine (atomic number 85), Francium (atomic number 87), Neptunium (atomic number 93), and Plutonium (atomic number 94) are all found in extremely trace amounts.