Krypton is non metal it is part of the noble gas family. It has 36 protons and 48 neutrons. Its symbol is Kr. <span>Krypton, like the other noble gases, is used in lighting and photography. Krypton was discovered in Britain in 1898 by Sir William Ramsay, a Scottish chemist, and Morris Travers, an English chemist, in residue left from evaporating nearly all components of liquid air. Neon was discovered by a similar procedure by the same workers just a few weeks later.</span>
It measures the oceans depth!
Answer:
The banding pattern on a stained gel.
Explanation: