The Elements - Periodic Table

Sources: CRC Handbook of Chemistry and Physics and the American Chemical Society. Last Updated: 12/19/97, CST Information Servic ...

Potassium For fertilizer. Atomic Number: 19 Atomic Symbol: K Atomic Weight: 39.098 Electron Configuration:[Ar]4s^1 History (Engl ...

Uses The greatest demand for potash has been in its use for fertilizers. Potassium is an essential constituent for plant growth ...

Calcium For cement and plaster of paris. Atomic Number: 20 Atomic Symbol: Ca Atomic Weight: 40.08 Electron Configuration:[Ar]4s^ ...

Compounds Its natural and prepared compounds are widely used. Quicklime (CaO), which is made by heating limestone that is change ...

Scandium For stadium lighting. Atomic Number: 21 Atomic Symbol: Sc Atomic Weight: 44.9559 Electron Configuration:[Ar]4s^2 3d^1 H ...

Properties Scandium is a silver-white metal which develops a slightly yellowish or pinkish cast upon exposure to air. A relative ...

Tungsten For lamp filaments. Atomic Number: 74 Atomic Symbol: W Atomic Weight: 183.5 Electron Configuration:[Xe]6s^2 4f^14 5d^4 ...

Sources: CRC Handbook of Chemistry and Physics and the American Chemical Society. Last Updated: 11/8/96, CST Information Service ...

Zinc For gutters. Atomic Number: 30 Atomic Symbol: Zn Atomic Weight: 65.38 Electron Configuration:[Ar]4s^2 3d^10 History (German ...

ferromagnetism at temperatures below 35oK. It has unusual electrical, thermal, optical, and solid-state properties that have not ...

Zirconium For zircon gemstone. Atomic Number: 40 Atomic Symbol: Zr Atomic Weight: 91.22 Electron Configuration:[Kr]5s^2 4d^2 His ...

cladding fuel elements. Commercial nuclear power generation now takes more than 90% of zirconium metal production. Reactors of t ...

Iron For tools. Atomic Number: 26 Atomic Symbol: Fe Atomic Weight: 55.847 Electron Configuration:[Ar]4s^2 3d^6 History (Anglo-Sa ...

Uses Iron is a vital constituent of plant and animal life and appears in hemoglobin. Taconite is becoming increasingly important ...

Manganese For plows. Atomic Number: 25 Atomic Symbol: Mn Atomic Weight: 54.9380 Electron Configuration:[Ar]4s^2 3d^5 History (L. ...

allotropic forms. The alpha form is stable at ordinary temperature; gamma manganese, which changes to alpha at ordinary temperat ...

Antimony For ceramic glazes. Atomic Number: 51 Atomic Symbol: Sb Atomic Weight: 121.75 Electron Configuration:[Kr]5s^2 4d^10 5p^ ...

Copper For pennies. Atomic Number: 29 Atomic Symbol: Cu Atomic Weight: 63.546 Electron Configuration:[Ar]4s^1 3d^10 History (Lat ...

Availability High-purity copper (99.999+ percent) is available commercially. Isotopes available at Los Alamos National Laborator ...