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
^263mRf	syn	~15 m	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
^261gRf	syn	3.7 s	17% α	8.52	²⁵⁷No
²⁶⁰Rf	syn	20 ms	SF
²⁵⁹Rf	syn	3.1 s	93% α	8.87,8.77	²⁵⁵No
²⁵⁹Rf	syn	3.1 s	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
^257gRf	syn	3.5 s	11% ε		²⁵⁷Lr
²⁵⁶Rf	syn	6.2 ms	99.7% SF
²⁵⁶Rf	syn	6.2 ms	0.3% α	8.79	²⁵²No
²⁵⁵Rf	syn	1.8 s	~50% α	8.81,8.77,8.74,8.71	²⁵¹No
²⁵⁵Rf	syn	1.8 s	~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) ^[1]
²⁵⁴Rf	1994	²⁰⁶Pb(⁵⁰Ti,2n) ^[1]
²⁵⁵Rf	1974? 1985	²⁰⁷Pb(⁵⁰Ti,2n)
²⁵⁶Rf	1974? 1985	²⁰⁸Pb(⁵⁰Ti,2n)
²⁵⁷Rf^g,m	1969	²⁴⁹Cf(¹²C,4n) ^[2]
²⁵⁸Rf	1969	²⁴⁹Cf(¹³C,4n) ^[2]
²⁵⁹Rf	1969	²⁴⁹Cf(¹³C,3n) ^[2]
²⁶⁰Rf	1969	²⁴⁸Cm(¹⁶O,4n)
²⁶¹Rf^m	1970	²⁴⁸Cm(¹⁸O,5n) ^[3]
²⁶¹Rf^g	1996	²⁰⁸Pb(⁷⁰Zn,n) ^[4]
²⁶²Rf	1996	²⁴⁴Pu(²²Ne,4n) ^[5]
²⁶³Rf^m	1990?	²⁴⁸Cm(¹⁸O,3n)
²⁶³Rf^g	2004	²⁴⁸Cm(²⁶Mg,3n) ^[6]
²⁶⁴Rf	unknown
²⁶⁵Rf	unknown
²⁶⁶Rf	2006?	²³⁷Np(⁴⁸Ca,3n) ^[7]
²⁶⁷Rf	2003/2004	²³⁸U(⁴⁸Ca,3n) ^[4]
²⁶⁸Rf	2003?	²⁴³Am(⁴⁸Ca,3n) ^[8]

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

Rujukan

Pranala njaba

WebElements.com - Rutherfordium

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

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

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