홀뮴

Symbol	Er	Name	Erbium
Atomic Number	68	Atomic Weight	167.26
Boiling Point(°C)	2,510	Melting Point(°C)	1,522
Density	9.05	Heat Vapor	67
Heat Fusion	4.1	Electrical Conductivity	0.012
Thermal Conductivity	0.023	Specific Heat Capacity	0.04
Electron Shell	2,8,18,30,8,2	Orbital	4f12