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Question : The atomic number of the element ____________ is 99.
Option 1: Fermium
Option 2: Einsteinium
Option 3: Californium
Option 4: Mendelevium
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Answer (1)
Correct Answer: Einsteinium
Solution : The correct answer is Einsteinium.
Einsteinium is a synthetic element having the atomic number 99 and the symbol Es. It is the seventh transuranic element. After Albert Einstein, Einsteinium was named after him when it was found in the wreckage of the first hydrogen bomb explosion in 1952.
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