Analysis of Chemistry Olympiad Preliminary Contest for Beijing Senior High School Students in 2017
ZHANG Chao1, MEN Yi2,3, ZHENG Tao4, XING Guo-Wen2,3, TAN Hong-Wei2,3
1. Beijing No.2 Middle School, Beijing 100010, China;
2. College of Chemistry, Beijing Normal University, Beijing 100875, China;
3. Beijing Chemical Society, Beijing 100875, China;
4. Beijing National Day School, Beijing 100039, China
