The Elements - Periodic Table

and gas turbine generators. The metal is used in electroplating because of its appearance, hardness, and resistance to oxidation ...

Lead For batteries. Atomic Number: 82 Atomic Symbol: Pb Atomic Weight: 207.2 Electron Configuration:[Xe]6s^2 4f^14 5d^10 6p^2 Hi ...

Uses The metal is very effective as a sound absorber, is used as a radiation shield around X-ray equipment and nuclear reactors, ...

Gallium For computer memory. Atomic Number: 31 Atomic Symbol: Ga Atomic Weight: 69.72 Electron Configuration:[Ar]4s^2 3d^10 4p^1 ...

Uses Gallium wets glass or porcelain and forms a brilliant mirror when it is painted on glass. It is widely used in doping semic ...

Cesium For photoelectric cells. Atomic Number: 55 Atomic Symbol: Cs Atomic Weight: 132.9054 Electron Configuration: [Xe]6s^1 His ...

The metal has recently found application in ion propulsion systems. Cesium is used in atomic clocks, which are accurate to 5 s i ...

Rubidium For heart muscle research. Atomic Number: 37 Atomic Symbol: Rb Atomic Weight: 85.4678 Electron Configuration: [Kr]5s^1 ...

is a beta emitter with a half-life of 4.9 x 10 10 years. Ordinary rubidium is sufficiently radioactive to expose a photographic ...

Germanium For wide-angle lenses. Atomic Number: 32 Atomic Symbol: Ge Atomic Weight: 72.59 Electron Configuration:[Ar]4s^2 3d^10 ...

Uses When germanium is doped with arsenic , gallium , or other elements, it is used as a transistor element in thousands of elec ...

Arsenic For LEDs. Atomic Number: 33 Atomic Symbol: As Atomic Weight: 74.9216 Electron Configuration:[Ar]4s^2 3d^10 4p^3 History ...

Selenium For copy machines. Atomic Number: 34 Atomic Symbol: Se Atomic Weight: 78.96 Electron Configuration:[Ar]4s^2 3d^10 4p^4 ...

Isotopes Naturally selenium contains six stable isotopes. Fifteen other isotopes have been characterized. The element is a membe ...

Bromine For photographic film. Atomic Number: 35 Atomic Symbol: Br Atomic Weight: 79.904 Electron Configuration:[Ar]4s^2 3d^10 4 ...

Uses Bromine is used in making fumigants, flameproofing agents, water purification compounds, dyes, medicinals, sanitizers, inor ...

Krypton For fluorescent bulbs. Atomic Number: 36 Atomic Symbol: Kr Atomic Weight: 83.80 Electron Configuration:[Ar]4s^2 3d^10 4p ...

reported. Molecule-ions of ArKr+ and KrH+ have been identified and investigated, and evidence is provided for the formation of K ...

Strontium For nuclear batteries in buoys. Atomic Number: 38 Atomic Symbol: Sr Atomic Weight: 87.62 Electron Configuration:[Kr]5s ...

is needed. Uses The major use for strontium at present is in producing glass for color television picture tubes. It has also fou ...