Question

Match the LIST-I with LIST-II

Choose the correct answer from the options given below:

• A. A-I, B-II, C-III, D-IV
• B. A-I, B-III, C-IV, D-II
• C. A-I, B-III, C-II, D-IV
• D. A-II, B-III, C-I, D-IV

Hint:

Remember the general layout of the periodic table to quickly solve matching questions: s-block: Extreme left (Alkali and Alkaline Earth metals). p-block: Extreme right (Non-metals, Metalloids, Halogens, Noble gases).d-block: Middle (Transition metals). f-block: Bottom rows (Lanthanides and Actinides Transuranic elements).

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
The periodic table is organized into blocks based on the orbital being filled by the valence electrons of an element. Understanding the categorization of elements is fundamental to chemistry and material science.
Step 2: Detailed Explanation:
1. Alkaline Earth Metals (A): These elements occupy Group 2 of the periodic table. Their outermost electrons enter the s-subshell, thus they are part of the s-block (I).
2. Transition Elements (B): These are found in the middle of the periodic table (Groups 3 to 12). They are characterized by the filling of the d-orbitals, making them part of the d-block (III).
3. Transuranic Elements (C): These are the elements with atomic numbers higher than 92 (Uranium). Most of these belong to the Actinide series, where the f-orbitals are being filled, placing them in the f-block (IV).
4. Metalloids (D): These elements exhibit properties of both metals and non-metals and are located along the "stair-step" line in the p-block (II).
Step 3: Final Answer:
Matching the elements: A matches with I, B matches with III, C matches with IV, and D matches with II.
This results in the sequence A-I, B-III, C-IV, D-II.