Because the element also does not have a specific form. We see Krypton every day but it's a gas so we can't see it. The only time we can see it is when electricity mixes with Krypton. The characteristics of Krypton are: colorless, odorless and tasteless. I understand how in the movie "Superman" they invented the "planet" "Krypton" because Krypton is commonly found in space. It is commonly found in meteorites and also in minerals. There are quite a few things that use Krypton, which is what the next part of the essay will talk about. But Krypton is mainly found in Earth's space.