πŸ“ Mastering Science DSE εŒ–ε­Έ

選擇θͺ²ι‘Œι–‹ε§‹η·΄ηΏ’
πŸ§ͺ ι›’ε­θˆ‡εŒ–εˆη‰© Ionic Compounds Β· Ch.7 πŸ—οΈ 硐構 Structure Β· Ch.9 βš™οΈ 金屬反應 Metal Reactions Β· Ch.11