Neodimium

Saka Wikipédia, Bauwarna Mardika abasa Jawa / Saking Wikipédia, Bauwarna Mardika abasa Jawi
Langsung menyang: pandhu arah, pados
60 praseodymiumneodymiumpromethium
-

Nd

U
Nd-TableImage.png
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
Nd,60.jpg
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

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

Campuran[sunting | sunting sumber]

Campuran Neodimium awangun

Pènget[sunting | sunting sumber]

Awu logam Neodimium kuwi gambang murub lan bisa nyebabaké bebaya jeblugan.

Delengen uga[sunting | sunting sumber]

Magnit Neodimium (NIB utawa Nd2Fe14B)

Referensi[sunting | sunting sumber]

  • Los Alamos National Laboratory - Neodymium
  • "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[sunting | sunting sumber]

Commons-logo.svg
Wikimedia Commons gadhah galeri bab:
Wiktionary-logo-en.png
Pirsani informasi ngenani Neodimium ing KamusWiki.


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
Uuu
112
Uub
113
Uut
114
Uuq
115
Uup
116
Uuh
117
Uus
118
Uuo

* 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
Sumber artikel punika saking kaca situs web: "http://jv.wikipedia.org/w/index.php?title=Neodimium&oldid=814530"