Compare chemical elements

	Lawrencium ✕
Symbol	Lr
Atomic number	103
Chemical property	Actinide
Origin o the name	Ernest O. Lawrence, physicist
Period	7
Density (g/cm³)	-15.6
Melting point (K)	-1900
Electro-negativity	1.3
Abundance in earth's crust (mg/kg)	0