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 (Zn) Atomic number: 30 Weight: 65.39 30 protons 30 electrons neutrons in variable numbers, depending on which isotope (%occurring in nature): 34 (48.9%), 36 (27.8 â¦ %), 37 (4.1%), 38 (18.6%) or 40 (0.6%)