2. Atoms and the Periodic Table / Periodic Table: Classifications / 문제 3
문제 3
The typical amounts of essential elements in an adult weighing 60 kg are 2 - 39 kg for major elements, 36 - 1000 g for macrominerals, and 2 - 3600 mg for microminerals. Which of the following is the identity of the essential element that is around 120 g in a 60 kg adult?