A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionally distilling liquefied air, and is often used with other rare gases in fluorescent lamps.
The Dangers Krypton
Krypton can be used for lasers that are used for eye surgery, military purposes and much more. It can be used for nuclear bombs. Can be used for highly dangerous weapons in most cases. It is why its so rare.
This element was left in the remains after boiling away water, oxygen, nitrogen, helium, and argon from a sample of air. Krypton became present in the air at about 1ppm.
Signs of Krypton
Krpyon emits a bright, orange-red light in an electric-discharge tube; it is used in lightning airfields because of the light that is visible for long distances and penetrates fog and have better than ordinary light.
Electrons per shell: 2,8,18,8
Number of Neutrons: 48