2. Atoms & Elements / Periodic Table: Representative Elements & Transition Metals / 문제 6
문제 6
Identify which classification each element belongs to:
A. Alkali Metal B. Alkaline Earth Metal C. Pnictogen D. Chalcogen E. Halogen F. Noble Gas G. Transition Metal H. Inner Transition Metal I. Representative Element J. Lanthanide K. Actinide