Atomic NumberAtomic Number of Zinc
Atomic Number of Zinc is 30.
Chemical symbol for Zinc is Zn. Number of protons in Zinc is 30. Atomic weight of Zinc is 65.38 u or g/mol. Melting point of Zinc is 419,6 °C and its the boiling point is 907 °C.
» Boiling Point » Melting Point » Abundant » State at STP » Discovery YearAbout Zinc
Zinc is a softish metal of light grey color and is one of so called transition metals. Its name comes from a similar German word which is believed to be a copy of an old Persian word meaning stone. It is impossible to find pure zinc on our planet, but it can be extracted from a number of minerals and compounds. Zinc is essential for normal chemical processes in living organisms, and in micro-doses it exists in our enzymes. Large or even medium dozes of zinc can be toxic. This metal is widely used as a galvanizer, in such products as lamp posts, some parts of automobiles, etc. As a part of an alloy with copper called brass, zinc is used for producing parts of musical instruments, and zinc is also used to produce many other alloys. Oxides of this chemical element are used for producing rubber, plastic, textiles, soaps, cosmetics, electrical components, and many other goods.
Properties of Zinc Element
| Atomic Number (Z) | 30 |
|---|---|
| Atomic Symbol | Zn |
| Group | 12 |
| Period | 4 |
| Atomic Weight | 65.38 u |
| Density | 7.134 g/cm3 |
| Melting Point (K) | 692.88 K |
| Melting Point (℃) | 419,6 °C |
| Boiling Point (K) | 1180 K |
| Boiling Point (℃) | 907 °C |
| Heat Capacity | 0.388 J/g · K |
| Abundance | 70 mg/kg |
| State at STP | Solid |
| Occurrence | Primordial |
| Description | Transition metal |
| Electronegativity (Pauling) χ | 1.65 |
| Ionization Energy (eV) | 9.3942 |
| Atomic Radius | 135pm |
| Covalent Radius | 131pm |
| Van der Waals Radius | 139 |
| Valence Electrons | 2 |
| Year of Discovery | prehistoric |
| Discoverer | unknown |