Statement I: The discovery of inert gases later on did not disturb Mendeleev's arrangement. Statement II: In the present periodic table, periodicity in the properties of elements is related to the periodicity in their electronic configurations

Question

Statement I: The discovery of inert gases later on did not disturb Mendeleev's arrangement. Statement II: In the present periodic table, periodicity in the properties of elements is related to the periodicity in their electronic configurations (A) Both statement I and II are correct. (B) Both statement I and II are incorrect. (C) Statement I is correct but statement II is incorrect. (D) Statement II is correct but statement I is incorrect.

Tardigrade Admin · Accepted Answer

Correct answer is (a) Both statement I and II are correct.

Q. Statement I : The discovery of inert gases later on did not disturb Mendeleev's arrangement. Statement II : In the present periodic table, periodicity in the properties of elements is related to the periodicity in their electronic configurations

Both statement I and II are correct.

Both statement I and II are incorrect.

Statement I is correct but statement II is incorrect.

Statement II is correct but statement I is incorrect.

Correct answer is (a) Both statement I and II are correct.

Q. Statement I : The discovery of inert gases later on did not disturb Mendeleev's arrangement.
Statement II : In the present periodic table, periodicity in the properties of elements is related to the periodicity in their electronic configurations