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Dubnium

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105 rutherfordium ← dubnium → seaborgium
Ta
↑
Db
↓
(Upp)
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom dubnium, Db, 105
Dhèrèt kimiatransition metals
Golongan, Période, Blok 5, 7, d
Rupaunknown, probably silvery
white or metallic gray
Massa atom[268] g/mol
Konfigurasi elektron[Rn] 5f14 6d3 7s2
Cacahing èlèktron saben kulit2, 8, 18, 32, 32, 11, 2
Ciri-ciri fisik
Fasepresumably a solid
Massa jenis (watara suhu kamar)unknown g/cm³
Ciri-ciri atom
Struktur kristalunknown
Bilangan oksidasi5
Jari-jari atom (terhitung)unknown pm
Jari-jari kovalenunknown pm
Lain-lain
Nomor CAS53850-35-4
Isotop
iso NA waktu paruh DM DE (MeV) DP
268Db syn 29 h[butuh sitiran] 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.

Rujukan

[besut | besut sumber]

    Pranala njaba

    [besut | besut sumber]
    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


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