Neodimium

Neodimium (uniné /ˌniːoʊˈdɪmiəm/) iku sqawijining unsur kimia kanthi simbul Nd lan nomer atom 60.

60 praseodymium ← neodymium → promethium - ↑ Nd ↓ U Tabel périodik
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom	neodymium, Nd, 60
Dhèrèt kimia	lantanida
Golongan, Periode, Blok	n/a, 6, f
Panampilan	silvery white, yellowish tinge
Massa atom	144.242(3) g/mol
Konfigurasi elektron	[Xe] 4f4 6s2
Cacahing èlèktron saben kulit	2, 8, 18, 22, 8, 2
Ciri-ciri fisik
Fase	solid
Massa jenis (watara suhu kamar)	7.01 g/cm³
Massa jenis cair ing titik lebur	6.89 g/cm³
Titik lebur	1297 K (1024 °C, 1875 °F)
Titik umob	3347 K (3074 °C, 5565 °F)
Kalor peleburan	7.14 kJ/mol
Kalor panguapan	289 kJ/mol
Kapasitas kalor	(25 °C) 27.45 J/(mol·K)
Tekanan uap P/Pa 1 10 100 1 k 10 k 100 k ing T/K 1595 1774 1998 (2296) (2715) (3336)
Ciri-ciri atom
Struktur kristal	hexagonal
Bilangan oksidasi	3 (mildly basic oxide)
Elektronegativitas	1.14 (skala Pauling)
Energi ionisasi (detil)	ke-1: 533.1 kJ/mol
	ke-2: 1040 kJ/mol
	ke-3: 2130 kJ/mol
Jari-jari atom	185 pm
Jari-jari atom (terhitung)	206 pm
Lain-lain
Sifat magnetik	ferromagnetic
Resistivitas elektris	(r.t.) (α, poly) 643 nΩ·m
Konduktivitas termal	(300 K) 16.5 W/(m·K)
Muai panas	(r.t.) (α, poly) 9.6 µm/(m·K)
Kecepatan suara (pada wujud kawat)	(20 °C) 2330 m/s
Modulus Young	(α form) 41.4 GPa
Modulus rigiditas	(α form) 16.3 GPa
Modulus ruah	(α form) 31.8 GPa
Nisbah Poisson	(α form) 0.281
Kakerasan Vickers	343 MPa
Kekerasan Brinell	265 MPa
Nomor CAS	7440-00-8
Isotop
iso NA waktu paruh DM DE (MeV) DP 142Nd 27.2% Nd stabil kanthi 82 neutron 143Nd 12.2% Nd stabil kanthi 83 neutron 144Nd 23.8% 2.29×1015y α 1.905 140Ce 145Nd 8.3% Nd stabil kanthi 85 neutron 146Nd 17.2% Nd stabil kanthi 86 neutron 148Nd 5.7% Nd stabil kanthi 88 neutron 150Nd 5.6% 6.7×1018y β-β- 3.367 150Sm
Referensi

Campuran

Campuran Neodimium awangun

• Halida:NdF₃, NdCl₃, NdBr₃, NdI₃
• Oksida:Nd₂O₃
• Sulfida:NdS, Nd₂S₃
• Nitrida:NdN

Pènget

Awu logam Neodimium iku gambang murub lan bisa njalari bebaya jeblugan.

Uga delengen

Magnit Neodimium (NIB utawa Nd₂Fe₁₄B)

Réferènsi

• Los Alamos National Laboratory - Neodymium Archived 2008-12-19 at the Wayback Machine.
• "The Industrial Chemistry of the Lanthanons, Yttrium, Thorium and Uranium", by R.J. Callow, Pergamon Press 1967.
• Lindsay Chemical Division, American Potash and Chemical Corporation, Price List, 1960.
• "Chemistry of the Lanthanons", by R.C. Vickery, Butterworths 1953.

Pranala njaba

Wikimedia Commons duwé médhia ngenani Neodymium.

Wiktionary

Pirsani informasi ngenani Neodimium ing KamusWiki.

• USGS Rare Earth Commodity Summary 2006 Archived 2002-10-15 at the Wayback Machine.
• WebElements.com – Neodymium
• It's Elemental – Neodymium

Golongan →

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Période ↓

1

1 H

2 He

2

3 Li

4 Be

5 B

6 C

7 N

8 O

9 F

10 Ne

3

11 Na

12 Mg

13 Al

14 Si

15 P

16 S

17 Cl

18 Ar

4

19 K

20 Ca

21 Sc

22 Ti

23 V

24 Cr

25 Mn

26 Fe

27 Co

28 Ni

29 Cu

30 Zn

31 Ga

32 Ge

33 As

34 Se

35 Br

36 Kr

5

37 Rb

38 Sr

39 Y

40 Zr

41 Nb

42 Mo

43 Tc

44 Ru

45 Rh

46 Pd

47 Ag

48 Cd

49 In

50 Sn

51 Sb

52 Te

53 I

54 Xe

6

55 Cs

56 Ba

*

71 Lu

72 Hf

73 Ta

74 W

75 Re

76 Os

77 Ir

78 Pt

79 Au

80 Hg

81 Tl

82 Pb

83 Bi

84 Po

85 At

86 Rn

7

87  Fr

88 Ra

**

103 Lr

104 Rf

105 Db

106 Sg

107 Bh

108 Hs

109 Mt

110 Ds

111 Rg

112 Cn

113 Nh

114 Fl

115 Mc

116 Lv

117 Ts

118 Og

* Lantanida

57 La

58 Ce

59 Pr

60 Nd

61 Pm

62 Sm

63 Eu

64 Gd

65 Tb

66 Dy

67 Ho

68 Er

69 Tm

70 Yb

** Aktinida

89 Ac

90 Th

91 Pa

92 U

93 Np

94 Pu

95 Am

96 Cm

97 Bk

98 Cf

99 Es

100 Fm

101 Md

102 No

Seri Kimia saka Tabel Périodik

Logam alkali	Alkali tanah	Lantanida	Aktinida	Logam transisi
Logam	Metaloid	Nonlogam	Halogen	Gas mulia