Symbol |
Kr |
Atomic Number |
36 |
Atomic Mass |
83.798 |
# of Protons |
36 |
# of Electrons |
36 |
# of Neutrons |
48 |
Melting Point |
-157.4C |
Boiling Point |
-224.147C |
Normal Phase |
Gas |
Family |
Noble Gas |
Period |
4 |
Group |
18 |
Origin of Name |
Krypton comes from the latin name meaning "the hidden one" because it's a gas (invisible) |
Date of discovery |
1898 |
Interesting Facts |
Used in neon lights, lasers, glows blue and green. |
Common uses |
^^ |