1 Explain the meaning of various chemical formulas (empirical, molecular, and structural formulas). 2  Calculate weight and mole percentages from a formula.  Derive chemical formulas from a given set of information.
A: Zinc belongs to the family of elements found in Group 12. Some other elements in this family are cadmium and mercury. These three elements are metals, but mercury is a metal that is liquid at room temperature, while zinc and cadmium are solids at room temperature.
Section Reference: Section 12.3 Zinc (Zn) 24) Which statement is FALSE regarding the function of zinc in the body? a) Zinc is a cofactor for many enzymes. b) Zinc is needed for development of sex organs. c) Zinc is needed for growth and tissue repair.