Compilation of Non-Metal Classification Related High School Entrance Exam Questions (Including Explanations)
1. Position in the Periodic Table and Bonding Rules (Core Exam Point: Classification Position → Property Correlation) Question 1 (2023 National A Paper) The following statements about non-metal elements and their compounds are correct ( ) A. Si is a metalloid, and its oxide SiO₂ is a basic oxide B. The highest valence oxides of … Read more