My element is Krypton and its symbol is Kr. Its atomic number is 36 with a mass number of 83.798. Its period number is 4 and its group number is 18. Kryptons group name is noble gases. Its state of matter is a gas and it is a non-metal.
Krypton can be combined with other gases to make road signs that glow at night
It is in some photographic flashes in high speed photography.
It is in some florescent light bulbs.