Rutherfordium Element (Periodic Table)

by
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