Lanthanide
Physical properties of the elements

Lanthanide

Section Title: Physical properties of the elements
Table Section Text: None

Chemical element	La	Ce	Pr	Nd	Pm	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu

Atomic number	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71

Image	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Density (g/cm3)	6.162	6.770	6.77	7.01	7.26	7.52	5.244	7.90	8.23	8.540	8.79	9.066	9.32	6.90	9.841

Melting point (°C)	920	795	935	1024	1042	1072	826	1312	1356	1407	1461	1529	1545	824	1652

Boiling point (°C)	3464	3443	3520	3074	3000	1794	1529	3273	3230	2567	2720	2868	1950	1196	3402

Atomic electron configuration (gas phase)*	5d1	4f15d1	4f3	4f4	4f5	4f6	4f7	4f75d1	4f9	4f10	4f11	4f12	4f13	4f14	4f145d1

Atomic electron configuration (solid phase)*	5d1	4f15d1	4f25d1	4f35d1	4f45d1	4f55d1	4f7	4f75d1	4f85d1	4f95d1	4f105d1	4f115d1	4f125d1	4f14	4f145d1

Metal lattice (RT)	dhcp	fcc	dhcp	dhcp	dhcp	**	bcc	hcp	hcp	hcp	hcp	hcp	hcp	fcc	hcp

Metallic radius (pm)	162	181.8	182.4	181.4	183.4	180.4	208.4	180.4	177.3	178.1	176.2	176.1	175.9	193.3	173.8

Resistivity at 25 °C (μΩ·cm)	57–80 20 °C	73	68	64	88	90	134	114	57	87	87	79	29	79

Magnetic susceptibility χmol /10−6(cm3·mol−1)	+95.9	+2500 (β)	+5530(α)	+5930 (α)	+1278(α)	+30900	+185000 (350 K)	+170000 (α)	+98000	+72900	+48000	+24700	+67 (β)	+183

Sentence(s)

Europium has the largest metallic radius with 208.4 pm.

final_sentence: Europium has the largest metallic radius with 208.4 pm.