Question : What is the name of the 87th element on the periodic table that has no known biological role because it has a half-life of only 22 minutes?
Option 1: Meitnerium
Option 2: Dubnium
Option 3: Seaborgium
Option 4: Francium
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Correct Answer: Francium
Solution : The correct answer is Francium .
The 87th element on the periodic table is Francium, which has no known biological role due to its extreme radioactivity and short half-life. Francium is a chemical element with the atomic number 87, and the symbol Fr. It is one of the alkali metals with a group of elements in the periodic table known for their high reactivity, and ability to readily form compounds, especially with water. However, Francium is exceptionally rare, and highly radioactive, making it challenging to study and handle.
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