WHY'S AND WHAT'S
Krypton originates from the greek word Kryptos which means hidden. The element name matches up to its abbreviation because the first two letters ar Kr and the abbreviation is Kr.
Krypton is in the air at 1ppm(parts per million). There is some Krypton on mars. It is characterised by its bright green and yellow spectral lines.
Under room temperature, Krypton is a colourless, odourless, tasteless gas (also its rather expensive).
A picture of the element is located below:
WHO'S AND WHEN'S
What is it used for
Krypton is mainly used for Photography and lighting.
We should preserve it because we don't have much of its and if we do, we can discover more uses for it.