Electronic configuration and metallic character MCQ — 1 Practice Questions with Answers

Electronic configuration and metallic character is a Science & Technology topic in the RAS/RPSC syllabus. This page gathers exam-style Electronic configuration and metallic character multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.

Practice 1 Electronic configuration and metallic character multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.

1 Questions Science & Technology

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Q1. The electronic configurations of three elements A, B and C are: A - 2, 8; B - 2, 8, 7; and C - 2, 8, 2. Which of the following statements is true?

A A is a metal.

B B is a metal.

C C is a non-metal.

D B is a non-metal and C is a metal. Correct

Explanation

Element A has the configuration 2, 8, so its outer shell is complete; it is a noble gas, not a metal. Element B has 2, 8, 7, meaning seven valence electrons, like a halogen, so it tends to gain one electron and is a non-metal. Element C has 2, 8, 2, meaning two valence electrons, typical of alkaline earth metals, so it is a metal. Therefore, the true statement is that B is a non-metal and C is a metal.

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Electronic configuration and metallic character falls under the Science & Technology section of the RAS/RPSC syllabus. It is a frequently tested area and regular practice with these MCQs will strengthen your preparation.

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