Simbol	AN	T1/2	MD	Ed	PD
				MeV
60.000 de ani	ε	0,600	¹³⁷Ba
¹³⁸Dy	0,09%	1,05×10¹¹ ani	ε β-	1,737 1,044	¹³⁸Ba ¹³⁸Ce
¹³⁹Dy	99,91%	stabil cu 82 neutroni

Unitățile SI și condiții de temperatură și presiune normale dacă nu s-a specificat altfel.

Disprosiu (simbol Dy) este elementul chimic cu numărul atomic 66. A fost descoperit de Paul Emile Lecoq de Boisbaudran în 1886.

Caracteristici

Masa atomică: 162,5 g/mol
Densitatea la 20 °C: 8,56 g/cm³
Punctul de topire: 1409 °C
Punctul de fierbere: 2335 °C
Numerele de oxidare: 3,4
Electronegativitatea: 1,72
Structura cristalină: hexagonală
Duritatea pe scara Mohs: -
Starea naturală: 4,2-0,00001 %

Vezi și

Tabelul periodic al elementelor

Legături externe

ro Disprosiul pe sistemul-periodic.go.ro^{[nefuncțională]}

v • d • m Elemente chimice

Metale alcaline	Litiu (3) • Sodiu (11) • Potasiu (19) • Rubidiu (37) • Cesiu (55) • Franciu (87) • Ununenniu (119)

Metale alcalino-pământoase	Beriliu (4) • Magneziu (12) • Calciu (20) • Stronțiu (38) • Bariu (56) • Radiu (88) • Unbinilium (120)

Metale tranziționale	Scandiu (21) • Titan (22) • Vanadiu (23) • Crom (24) • Mangan (25) • Fier (26) • Cobalt (27) • Nichel (28) • Cupru (29) • Zinc (30) • Ytriu (39) • Zirconiu (40) • Niobiu (41) • Molibden (42) • Technețiu (43) • Ruteniu (44) • Rodiu (45) • Paladiu (46) • Argint (47) • Cadmiu (48) • Hafniu (72) • Tantal (73) • Wolfram (74) • Reniu (75) • Osmiu (76) • Iridiu (77) • Platină (78) • Aur (79) • Mercur (80) • Rutherfordiu (104) • Dubniu (105) • Seaborgiu (106) • Bohriu (107) • Hassiu (108) • Meitneriu (109) • Darmstadtiu (110) • Roentgeniu (111) • Coperniciu (112) • Nihoniu (113) • Fleroviu (114) • Moscoviu (115) • Livermoriu (116)

Metale post-tranziționale	Aluminiu (13) • Galiu (31) • Indiu (49) • Staniu (50) • Taliu (81) • Plumb (82) • Bismut (83) • Poloniu (84)

Metaloizi	Bor (5) • Siliciu (14) • Germaniu (32) • Arsen (33) • Stibiu (51) • Telur (52)

Nemetale	Hidrogen (1) • Carbon (6) • Azot (7) • Oxigen (8) • Fosfor (15) • Sulf (16) • Seleniu (34)

Halogeni	Fluor (9) • Clor (17) • Brom (35) • Iod (53) • Astatin (85) • Tennessin (117)

Gaze nobile	Heliu (2) • Neon (10) • Argon (18) • Kripton (36) • Xenon (54) • Radon (86) • Oganesson (118)

Lantanide	Lantan (57) • Ceriu (58) • Praseodim (59) • Neodim (60) • Promețiu (61) • Samariu (62) • Europiu (63) • Gadoliniu (64) Terbiu (65) • Disprosiu (66) • Holmiu (67) • Erbiu (68) • Tuliu (69) • Yterbiu (70) • Lutețiu (71)

Actinide	Actiniu (89) • Thoriu (90) • Protactiniu (91) • Uraniu (92) • Neptuniu (93) • Plutoniu (94) • Americiu (95) • Curiu (96) • Berkeliu (97) • Californiu (98) • Einsteiniu (99) • Fermiu (100) • Mendeleviu (101) • Nobeliu (102) • Lawrenciu (103)

Superactinide	Unbiunium (121) • Unbibium (122) • Unbitrium (123) • Unbiquadium (124) • Unbipentium (125) • Unbihexium (126) • Unbiseptium (127) • Unbioctium (128) • Unbiennium (129) • Untrinilium (130) • Untriunium (131) • Untribium (132) • Untritrium (133) • Untriquadium (134) • Untripentium (135) • Untrihexium (136) • Untriseptium (137) • Untrioctium (138) • Untriennium (139) • Unquadnilium (140) • Unquadunium (141) • Unquadbium (142) • Unquadtrium (143) • Unquadquadium (144) • Unquadpentium (145) • Unquadhexium (146) • Unquadseptium (147) • Unquadoctium (148) • Unquadennium (149) • Unpentnilium (150) • Unpentunium (151) • Unpentbium (152) • Unpenttrium (153) • Unpentquadium (154) • Unpentpentium (155)

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