i don't know for sure but i think because it is like an abbreviation because it is the first two letters.
Kr
the symbol for krypton is kr
F is the symbol for fluorine. Kr is the symbol for krypton.
The element krypton has the symbol Kr.
Krypton.
Atoms are isoelectronic when they have the same electron configuration. Therefore, an anion isoelectronic to krypton is bromide. A cation isoelectronic to krypton is rubidium.
Krypton (symbol Kr; at. no. 36; at. wt. 83.80) is an Element and what is known as one of the Noble Gasses. It was discovered in 1898. As an aside, Krypton is also the name of Superman's home planet.
Krypton is an element with symbol Kr and atomic number 36.
F is the symbol for fluorine. Kr is the symbol for krypton.
The element krypton has the symbol Kr.
K is the symbol for potassium
krypton
First off, Kryptonite isn't real. It's called Krypton. The symbol for KRYPTON is Kr
Krypton, symbol Kr, Atomic Number 36, is the element.
Krypton is an element with symbol Kr and atomic number 36.
Krypton.
Krypton is an element with symbol Kr and atomic number 36.
Krypton is an element with symbol Kr and atomic number 36.
Krypton is an element with symbol Kr and atomic number 36.