Dubnium

105 rutherfordium ← dubnium → seaborgium Ta ↑ Db ↓ (Upp) Tabel périodik
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom	dubnium, Db, 105
Dhèrèt kimia	transition metals
Golongan, Période, Blok	5, 7, d
Rupa	unknown, probably silvery white or metallic gray
Massa atom	[268] g/mol
Konfigurasi elektron	[Rn] 5f14 6d3 7s2
Cacahing èlèktron saben kulit	2, 8, 18, 32, 32, 11, 2
Ciri-ciri fisik
Fase	presumably a solid
Massa jenis (watara suhu kamar)	unknown g/cm³
Ciri-ciri atom
Struktur kristal	unknown
Bilangan oksidasi	5
Jari-jari atom (terhitung)	unknown pm
Jari-jari kovalen	unknown pm
Lain-lain
Nomor CAS	53850-35-4
Isotop
iso NA waktu paruh DM DE (MeV) DP 268Db syn 29 h SF ε ? 268Rf 267Db syn 1.2 h SF 266Db syn 22 m ε 266Rf 263Db syn 27 s 56% SF 41% α 8.36 259Lr 3% ε 263mRf 262Db syn 34 s 67% α 8.66,8.45 258Lr 33% SF 261Db syn 1.8 s α 8.93 257Lr 260Db syn 1.5 s α 9.13,9.08,9.05 256Lr 259Db syn 0.5 s α 9.47 255Lr 258Db syn 4.4 s 67% α 9.17,9.08,9.01 254Lr 33% ε 258Rf 257mDb syn 0.76 s α 9.16 253Lr 257gDb syn 1.50 s α 9.07,8.97 253Lr 256Db syn 1.6 s 70% α 9.12,9.08,9.01,8.89 253Lr 30% ε 256Rf
Referensi

Dubnium (uniné /ˈduːbniəm/) iku unsur kimia sajeroning tabel périodik kanthi simbul Db lan nomer atom 105.

Pranala njaba

• WebElements.com - Dubnium

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

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