Rutherfordium

104 lawrencium ← rutherfordium → dubnium Hf ↑ Rf ↓ (Upq) Tabel périodik
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom	rutherfordium, Rf, 104
Dhèrèt kimia	logam transisi
Golongan, Période, Blok	4, 7, d
Massa atom	[267] g/mol
Konfigurasi elektron	[Rn] 5f14 6d2 7s2
Cacahing èlèktron saben kulit	2, 8, 18, 32, 32, 10, 2
Ciri-ciri fisik
Fase	presumably a padhet
Massa jenis (watara suhu kamar)	ora dimangertèni g/cm³
Ciri-ciri atom
Struktur kristal	ora dimangertèni
Bilangan oksidasi	4
Energi ionisasi	pertama: ora dimangertèni kJ/mol
Jari-jari atom (terhitung)	ora dimangertèni pm
Jari-jari kovalen	ora dimangertèni pm
Lain-lain
Nomor CAS	53850-36-5
Isotop
iso NA waktu paruh DM DE (MeV) DP 267Rf syn 1.3 h SF 263mRf syn ~15 m SF α 7.90 ? 263gRf syn 8 s SF 262Rf syn 2.1 s SF 261mRf syn 1.1 m α 8.28 257No 261gRf syn 3.7 s 83% SF 17% α 8.52 257No 260Rf syn 20 ms SF 259Rf syn 3.1 s 93% α 8.87,8.77 255No 7% SF 258Rf syn 13 ms SF 257mRf syn 4.0 s α 9.02,8.97 253No 257gRf syn 3.5 s 89% α 8.90,8.78,8.52,8.28 253No 11% ε 257Lr 256Rf syn 6.2 ms 99.7% SF 0.3% α 8.79 252No 255Rf syn 1.8 s ~50% α 8.81,8.77,8.74,8.71 251No ~50% SF 254Rf syn 0.022 ms SF 253Rf syn 0.048 ms SF
Referensi

Rutherfordium (uniné /ˌrʌðɚˈfɔrdiəm/) iku unsur kimia sajeroning Tabel périodik kanthi simbul Rf lan nomer atom 104.

Sintesis isotop minangka produk turunan (decay)

Sisa/residu Evaporasi	Isotop Rf kang katon
288115	268Rf (manawa EC saka 268Db)
291116, 287114, 283112	267Rf
282113	266Rf (EC of 266Db)
271Hs	263gRf
263Db	263mRf (EC of 263Db)
266Sg (possibly 266mSg)	262Rf (possibly 262mRf)
277112, 273Ds, 269Hs, 265Sg	261mRf, 261Rf
271Ds, 267Hs, 263Sg	259Rf
269Ds, 265Hs, 261Sg	257Rf
264Hs, 260Sg	256Rf
259Sg	255Rf

Kronologi temon isotop

Isotop	Taun tinemu	reaksi
253Rf	1994	204Pb(50Ti,n)
254Rf	1994	206Pb(50Ti,2n)
255Rf	1974? 1985	207Pb(50Ti,2n)
256Rf	1974? 1985	208Pb(50Ti,2n)
257Rfg,m	1969	249Cf(12C,4n)
258Rf	1969	249Cf(13C,4n)
259Rf	1969	249Cf(13C,3n)
260Rf	1969	248Cm(16O,4n)
261Rfm	1970	248Cm(18O,5n)
261Rfg	1996	208Pb(70Zn,n)
262Rf	1996	244Pu(22Ne,4n)
263Rfm	1990?	248Cm(18O,3n)
263Rfg	2004	248Cm(26Mg,3n)
264Rf	unknown
265Rf	unknown
266Rf	2006?	237Np(48Ca,3n)
267Rf	2003/2004	238U(48Ca,3n)
268Rf	2003?	243Am(48Ca,3n)

Kasil kimia saka isotop

Fusi adhem

Proyektil	Target	CN	1n	2n	3n
50Ti	208Pb	258Rf	38.0 nb, 17.0 MeV	12.3 nb, 21.5 MeV	660 pb, 29.0 MeV
50Ti	207Pb	257Rf	4.8 nb
50Ti	206Pb	256Rf	800 pb, 21.5 MeV	2.4 nb, 21.5 MeV
50Ti	204Pb	254Rf	190 pb, 15.6 MeV
48Ti	208Pb	256Rf	380 pb, 17.0 MeV

Fusi panas

Proyektil	Target	CN	3n	4n	5n
26Mg	238U	264Rf		240 pb	1.1 nb
22Ne	244Pu	266Rf		+	4.0 nb
18O	248Cm	266Rf		+	13.0 nb

Pranala njaba

• WebElements.com - Rutherfordium

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5

6

7

8

9

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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