Answer
Classifying each micronutrient in Figure 2.2 as a metal, nonmetal, or metalloid:
Arsenic (As) - metalloid
Boron (B) - metalloid
Chromium (Cr) - metal
Cobalt (Co) - metal
Copper (Cu) - metal
Fluorine (F) - nonmetal
Iodine (I) - nonmetal
Iron (Fe) - metal
Manganese (Mn) - metal
Molybdenum (Mo) - metal
Nickel (Ni) - metal
Selenium (Se) - nonmetal
Silicon (Si) - metalloid
Zinc (Zn) - metal