36 Kr 83.7982
Krypton
NOBLE GAS
Phase: Gas
Discovered: William Ramsay
Block: P
Summary
Krypton (from Greek:κρυπτός kryptos "the hidden one") is a chemical element with symbol Kr and atomic number 36. It is a member of group 18 (noble gases) elements. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionally distilling liquefied air, and is often used with other rare gases in fluorescent lamps.
Appearance: colorless gas, exhibiting a whitish glow in a high electric field
Source: WikipediaPhysical Properties
Atomic Mass 83.7982 u
Density 3.749 g/cm³
Melting Point 115.78 K
Boiling Point 119.93 K
Molar Heat N/A
Electron Affinity -96 kJ/mol
Ionization Energies
1st: 1350.8 kJ/mol
2nd: 2350.4 kJ/mol
3rd: 3565 kJ/mol
4th: 5070 kJ/mol
5th: 6240 kJ/mol
6th: 7570 kJ/mol
7th: 10710 kJ/mol
8th: 12138 kJ/mol
9th: 22274 kJ/mol
10th: 25880 kJ/mol
11th: 29700 kJ/mol
12th: 33800 kJ/mol
13th: 37700 kJ/mol
14th: 43100 kJ/mol
15th: 47500 kJ/mol
16th: 52200 kJ/mol
17th: 57100 kJ/mol
18th: 61800 kJ/mol
19th: 75800 kJ/mol
20th: 80400 kJ/mol
21th: 85300 kJ/mol
22th: 90400 kJ/mol
23th: 96300 kJ/mol
24th: 101400 kJ/mol
25th: 111100 kJ/mol
26th: 116290 kJ/mol
27th: 282500 kJ/mol
28th: 296200 kJ/mol
29th: 311400 kJ/mol
30th: 326200 kJ/mol