Compilation of High School Entrance Exam Questions on Metal Classification (with Explanations)
1. Position and Classification in the Periodic Table (Core Concept: Position → Structure → Properties) Question 1 (2023 National B Exam) Which of the following statements about metal elements is correct? ( ) A. All metal elements are located in the s-block and d-block of the periodic table B. Elements with fewer than 4 electrons … Read more