What is Planet36?
Superman is the prototypical archetype of all superheroes (as well as one of my favorite comic book characters)36 is the atomic number of krypton (the element)
Superman is from Krypton (the planet)
"Planet36" basically means "Planet Krypton"
All About Krypton (the element)
- Name
- Krypton
- Symbol
- Kr
- Atomic Number
- 36
- Atomic Weight
- 83.80 amu
- Electron Configuration
- [Ar]3d104s2p6
- Boiling Point
- 120.85 K
- Melting Point
- 116 K
- Density (at 273 K and 1 atm)
- 3.75 g/L
- Oxidation States
- 0,2
- Crystal Structure
- Cubic, face centered
- Covalent Radius
- 1.89 Å
- Atomic Radius (Quantum mechanical value for free atom)
- 1.03 Å
- Atomic Volume (of liquid state at boiling point)
- 32.2 cm³/mol
- First Ionization Potential
- 13.999 V
- Specific Heat Capacity (at 300 K)
- 0.248 J/g·K
- Heat of Vaporization (at boiling point)
- 9.029 kJ/mol
- Heat of Fusion (at melting point)
- 1.638 kJ/mol
- Thermal Conductivity (at 300 K)
- 0.00949 W/m·K
- Kr-81 t½
- 2.1E5 y (EC orbital electron capture)
- Kr-85 t½
- 10.72 y (β- beta particle emission)
Last Modified: April 9, 2009