Manage your subscriptions online. Find direct links for mailing address changes and publisher 1-800 numbers for magazine subscriber services. 1  A.  B.
Krypton is used in different forms for many applications in the medical industry. Krypton lasers are commonly employed for laser eye surgery. The laser is used to help prevent blood clotting in the eye as surgery is performed.
Six naturally occurring isotopes of krypton exist. They are krypton-78, krypton-80, krypton-82, krypton-83, krypton-84, and krypton-86. Isotopes are two or more forms of an element. Isotopes differ from each other according to their mass number. The number written to the right of the element's name is the mass number.rypton (symbol Kr) Gaseous nonmetallic element that is a noble gas. Discovered in 1898, krypton makes up about 0.0001% of the Earth 's atmosphere by volume and is obtained by the fractional distillation of liquid air. It is used in fluorescent lamps, lasers and in electronic heart valves. Properties: at.no.