RRB Group D (Level-1 posts) 2022 · Question 496 of 598

Consider the below statements and identify the correct answer. Statement I: Metallic character decreases across a period as we move from left to right. Statement II: The effective nuclear charge acting on the valence shell electrons increases across a period, so the tendency to lose electrons will decrease.

ABoth statements are correct. Statement I is the correct explanation of Statement II.
BBoth statements are correct. Statement II is the correct explanation of Statement I.Correct
COnly Statement II is correct.
DOnly Statement I is correct.

Answer: B. Both statements are correct. Statement II is the correct explanation of Statement I.

Explanation

Both statements are true, and Statement II explains why metallic character decreases across a period as nuclear charge increases, making it harder to lose electrons.

Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 3) - Prepp · reliable-secondary

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