hexagonal close-packed (hcp) (hP2) Zinc is a chemical element; it has symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic table.

Natural zinc is composed of five stable isotopes: zinc-64 (48.6%); zinc-66 (27.9%); zinc-67 (4.1%); zine-68 (18.8%); zinc-70 (0.6%); 18 artificial radioactive isotopes are known, most with very short (millisecond, seconds) or short (minutes) half-lives; zinc-65: half-life = 243.8 days

Element Zinc (Zn), Group 12, Atomic Number 30, d-block, Mass 65.38. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Zinc is the 30th element in the periodic table and has a symbol of Zn and atomic number of 30. It has an atomic weight of 65.38 and a mass number of 64. Zinc has thirty protons and thirty-four neutrons in its nucleus, and thirty electrons in four shells.

Mass numbers of typical isotopes of Zinc are 64; 66-68; 70. Atomic mass of Zinc is 65.409 u. The atomic mass is the mass of an atom. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element.

4.9×10 -3 milligrams per liter. The name derives from the German zink of unknown origin. It was first used in prehistoric times, where its compounds were used for healing wounds and sore eyes and for making brass. Zinc was recognized as a metal as early as 1374.

Nov 21, 2020 · Atomic mass of Zinc is 65.409 u. The atomic mass is the mass of an atom. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element.

Atomic Weights and Isotopic Compositions for Zinc Isotope Relative Atomic Mass Isotopic Composition Standard Atomic Weight Notes : 30 : Zn : 64 : 63.929 142 01(71) 0.4917(75) 65.38(2) r : 66 : 65.926 033 81(94) 0.2773(98) 67 : 66.927 127 75(96) 0.0404(16) 68 : …

Zinc (Zn) has an atomic mass of 30. Find out about its chemical and physical properties, states, energy, electrons, oxidation and more.

The zinc arsenate minerals reinerite, Zn 3 (AsO 3) 2, and kottigite lack the dramatic color. Zinc forms the silicate willemite, Zn 2 SiO 4 which can also produce green crystals. Zinc also forms the silicate hemimorphite. Zinc with manganese forms the silicate Hodgkinsonite. Zinc with magnesium, manganese and arsenic forms the silicate Mcgovernite.