GK
BIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which element has atomic number 100?
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Fermium
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iron
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Potassium
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None of the above
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Explanation:
Detailed explanation-1: -Fermium is a chemical element with symbol Fm and atomic number 100. Classified as an actinide, Fermium is a solid at room temperature.
Detailed explanation-2: -Fermium atoms have 100 electrons and the shell structure is 2.8. 18.32. 30.8. 2.
Detailed explanation-3: -Fermium is a synthetic element with the symbol Fm and atomic number 100. It is an actinide and the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities, although pure fermium metal has not yet been prepared.
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