Given below are two statements: Statement (I): The 4 f and 5 f - series of elements are placed separately in the Periodic table to preserve the…

Given below are two statements: Statement (I) : The $\displaystyle 4 f$ and $\displaystyle 5 f$ - series of elements are placed separately in the Periodic table to preserve the principle of classification. Statement (II) : s-block elements can be found in pure form in nature. In the light of the above statements, choose the most appropriate answer from the options given below: