Zinc
Transition Metal
Zinc (Zn) is a chemical element with atomic number 30, classified as a transition metal. At room temperature it is a solid. It was discovered in 1746 by Andreas Sigismund Marggraf.
Properties
- Atomic number
- 30
- Atomic mass
- 65.38 u
- Category
- Transition Metal
- Group
- 12
- Period
- 4
- Block
- d-block
- Electron configuration
- [Ar] 3d¹⁰ 4s²
- Phase at STP
- Solid
- Density
- 7.134 g/cm³
- Melting point
- 692.68 K (419.5 °C)
- Boiling point
- 1180 K (906.9 °C)
- Electronegativity
- 1.65
- Atomic radius
- 142 pm
- Ionization energy
- 9.394 eV
- Discovery
- 1746 · Andreas Sigismund Marggraf
Common uses
Galvanizing steel, batteries, sunscreen, dietary supplements
Did you know?
Prevents rust when coating steel and essential for immune system.
Compounds you can make with zinc
Zinc appears in 2 compounds in our periodic table sandbox. Each one is a real substance with its true chemical formula — combine the right elements in the right ratio below to discover it.
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ZnO
Zinc Oxide
A white powder used in sunscreen, ointments, and paints.
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ZnS
Zinc Sulfide
A glowing phosphor used in old CRT screens and glow-in-the-dark paints.