Kadmium

48 silver ← cadmium → indium Zn ↑ Cd ↓ Hg Tabel périodik
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom	cadmium, Cd, 48
Dhèrèt kimia	transition metals
Golongan, Période, Blok	12, 5, d
Panampilan	silvery gray metallic
Massa atom	112.411(8) g/mol
Konfigurasi elektron	[Kr] 5s2 4d10
Cacahing èlèktron saben kulit	2, 8, 18, 18, 2
Ciri-ciri fisik
Fase	solid
Massa jenis (watara suhu kamar)	8.65 g/cm³
Massa jenis cair ing titik lebur	7.996 g/cm³
Titik lebur	594.22 K (321.07 °C, 609.93 °F)
Titik umob	1040 K (767 °C, 1413 °F)
Kalor peleburan	6.21 kJ/mol
Kalor panguapan	99.87 kJ/mol
Kapasitas kalor	(25 °C) 26.020 J/(mol·K)
Tekanan uap P/Pa 1 10 100 1 k 10 k 100 k ing T/K 530 583 654 745 867 1040
Ciri-ciri atom
Struktur kristal	hexagonal
Bilangan oksidasi	2 (mildly basic oxide)
Elektronegativitas	1.69 (skala Pauling)
Energi ionisasi	pertama: 867.8 kJ/mol
	ke-2: 1631.4 kJ/mol
	ke-3: 3616 kJ/mol
Jari-jari atom	155 pm
Jari-jari atom (terhitung)	161 pm
Jari-jari kovalen	148 pm
Jari-jari Van der Waals	158 pm
Lain-lain
Sifat magnetik	no data
Resistivitas elektris	(22 °C) 72.7 nΩ·m
Konduktivitas termal	(300 K) 96.6 W/(m·K)
Ekspansi termal	(25 °C) 30.8 µm/(m·K)
Kecepatan suara (pada wujud kawat)	(20 °C) 2310 m/s
Modulus Young	50 GPa
Modulus rigiditas	19 GPa
Modulus ruah	42 GPa
Nisbah Poisson	0.30
Skala Mohs	2.0
Kekerasan Brinell	203 MPa
Nomor CAS	7440-43-9
Isotop
iso NA waktu paruh DM DE (MeV) DP 106Cd 1.25% >9.5×1017 y εε2ν - 106Pd 107Cd syn 6.5 h ε 1.417 107Ag 108Cd 0.89% >6.7×1017 y εε2ν - 108Pd 109Cd syn 462.6 d ε 0.214 109Ag 110Cd 12.49% Cd stabil kanthi 62 neutron 111Cd 12.8% Cd stabil kanthi 63 neutron 112Cd 24.13% Cd stabil kanthi 64 neutron 113Cd 12.22% 7.7×1015 y β- 0.316 113In 113mCd syn 14.1 y β- 0.580 113In IT 0.264 113Cd 114Cd 28.73% >9.3×1017 y ββ2ν - 114Sn 115Cd syn 53.46 h β- 1.446 115In 116Cd 7.49% 2.9×1019 y ββ2ν - 116Sn
Referensi

Cadmium (uniné /ˈkædmiəm/) iku unsur kimia kanthi simbul Cd lan nomer atom 48.

Pranala njaba

Look up cadmium in Wiktionary, the free dictionary.

• IARC Monograph "Cadmium and Cadmium Compounds" Archived 2005-10-15 at the Wayback Machine.
• National Pollutant Inventory - Cadmium and compounds
• WebElements.com – Cadmium
• Los Alamos National Laboratory – Cadmium Archived 2009-02-28 at the Wayback Machine.
• Archived 2009-06-09 at the Wayback Machine. Warning Moose and Deer Liver
• National Institute for Occupational Safety and Health - Cadmium Page

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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