Recommended Baccalaureate Competencies and Curricular Guidelines for the Nursing Care of Older Adults: A Supplement to The Essentials of Baccalaureate Education for Professional Nursing Practice September 2010.
Zinc is a chemical element with symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes.
Zinc: Health Benefits, Facts, Research. Zinc (Zn) is a transition metal belonging to group 12 of the periodic table. As an essential trace element zinc has substantial biological importance for plants and animals. Zinc is responsible for a number of different functions in the human body and it helps stimulate the activity of 100 different enzymes.