Rutherfordium Element (Periodic Table)

Rutherfordium

Rutherfordium (Rf) is a chemical element of the periodic table, located in the group 4 and the period 7, and has the atomic number 104. It is a silvery-white transition metal, which is named after British physicist, Ernest Rutherford. It is a transuranium element and is counted as one of the radioactive elements.

group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
period
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
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
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
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
71
Lu
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
103
Lr
– d block

FAQs on Rutherfordium Element

Rutherfordium
‣ Who discovered rutherfordium? When was rutherfordium discovered?

Discovery: Joint Institute for Nuclear Research and Lawrence Berkeley National Laboratory (1964, 1969)
‣ Rutherfordium location on periodic table

Rutherfordium Periodic Table

Location: Rutherfordium is found in the fourth column of the periodic table below the hafnium element.
‣ What is rutherfordium’s atomic number?

Atomic number (Z): 104
‣ What is the symbol for rutherfordium?

Symbol: Rf
Rutherfordium atomic weight: [267]
‣ What block is rutherfordium in on the periodic table?

Block: d-block
‣ What group is rutherfordium in the periodic table?

Group: 4
‣ What period is rutherfordium on the periodic table?

Period: 7
‣ What is the atomic radius of rutherfordium?

Atomic radius: empirical: 150 pm (estimated)
Rutherfordium covalent radius: 157 pm (estimated)
Rutherfordium melting point: 2400 K (2100 °C, 3800 °F) (predicted)
Rutherfordium  boiling point: 5800 K (5500 °C, 9900 °F) (predicted)
‣ How many electron shells does rutherfordium have?

Electrons per shell: 2, 8, 18, 32, 32, 10, 2
‣ What is the electron configuration of rutherfordium?

Electron configuration: [Rn] 5f14 6d2 7s2
Rutherfordium ionization energies:
1st: 580 kJ/mol
2nd: 1390 kJ/mol
3rd: 2300 kJ/mol
‣ What is the phase of rutherfordium?

Phase (at r.t): solid (predicted)
Rutherfordium density (near r.t): 17 g/cm3 (predicted)
Rutherfordium magnetic ordering: synthetic
Rutherfordium oxidation state: +4
Rutherfordium crystal structure: hexagonal close-packed (hcp) (predicted)
Rutherfordium CAS number: 53850-36-5

‣ How many isotopes does rutherfordium have?

Main isotopes of rutherfordium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
261Rfsyn70 s>80 % α
<15 % ε
<10% SF
257No
261Lr
263Rfsyn15 min<100 % SF
~30 % α


259No
265Rfsyn1.1 minSF
266Rfsyn23 sSF
267Rfsyn1.3 hSF

.
.
.

Related:

Also Read:

Leave a Comment