第一周期:氢氦-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------第三周期:钠镁铝、硅磷、氯喹。氩美女桂林留下绿牙(那美女鬼流露绿牙)第四周期:钾、钙、钛、钒、锰、康反革命、桂林留下绿牙(那美女鬼流露绿牙)。主要把这些结合起来想象成小故事就行了。非常简单，希望你能背诵。