Question

What is the most unstable element?

Answer 1

1. The modern periodic table contains 118 elements, some of them are least reactive, some of them are highly reactive and some are moderately reactive.
2. Francium is the most unstable element.
3. It is placed in group 1 and 7th period of the periodic table.
4. It is a radioactive element and is alkaline in nature.
5. It is to be noted that it is the last naturally discovered element.
6. Francium can be obtained through the radioactive decay of actinium.