Ä®·ý(Æ÷Ÿ½·)
(K:Potassium)

 

Symbol

K

Name

Potassium

Atomic Number

19

Atomic Weight

39.102

Boiling Point(°c)

774

Melting Point(°c)

63.65

Density

0.86

Heat Vapor

18.9

Heat Fusion

0.55

Electrical Conductivity

0.143

Thermal Conductivity

0.23

Specific Heat Capacity

0.177

Electron Shell

2,8,8,1

Orbital

4s1

 

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