Question

Statement 1: Radium is most abundant s block elements.
Statement 2: S block elements are non radioactive in nature.

• A. Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
• B. Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
• C. Statement 1 is True, Statement 2 is False
• D. Statement 1 is False, Statement 2 is True

Answer 1

Answer: (D)

Radium is rarest of all $s$-block elements. Francium is radioactive. Its long lived isotope $F{r}^{223}$ has a half-life of only $21\min$.