Kaedah Mnemonic- Siri Kereaktifan LogamPrivate (potassium)Second (Sodium)Class (Calcium)M (Magnesium)a (aluminum)c (Carbon)Z (Zinc)i (iron)t (Tin)l (Lead)He (Hydrogen)Can (Copper)Make (Mercury)Some (Silver)Gun (Gold)Powder (Platinum)

Private Second-class MacZitl he can make some gun powder