Unit Teaching Design and Implementation of “Ionization and Ion Reaction”:From the Microscopic Perspective of the Removal of Soluble Impurities in Coarse Salt
HU Jiu-Hua1, DONG Na1, CHEN Ying2**, YIN Bo-Yuan2, PANG Xue3, JIN Ya-Juan3
1. College of Chemistry,Beijing Normal University,Beijing 100875,China;
2. Beijing Haidian Teachers Training College, Beijing 100195,China;
3. Beijing Bayi School,Beijing 100080,China
