Meitnerium Element (Periodic Table)

Meitnerium

Meitnerium (Mt) is a chemical element of the periodic table, located in the group 9 and the period 7, and has the atomic number 109. It is named after the Austrian-Swedish physicist, Lise Meitner. 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 Meitnerium Element

Meitnerium
‣ Who discovered meitnerium? When was the element meitnerium discovered?

Discovery: Gesellschaft für Schwerionenforschung (1982)
‣ Meitnerium location on the periodic table

Meitnerium Periodic Table

Location: Meitnerium is found in the seventh row of the periodic table, next to the hassium element.
‣ What is the atomic number of meitnerium?

Atomic number (Z): 109
‣ What is the chemical symbol for meitnerium?

Symbol: Mt
Meitnerium atomic weight: [278] (unconfirmed: 282)
‣ Meitnerium is which block element?

Block: d-block
‣ What group is meitnerium on the periodic table?

Group: 9
‣ What period is meitnerium in?

Period: 7
Meitnerium atomic radius: empirical: 128 pm (predicted)
Meitnerium covalent radius: 129 pm (estimated)
‣ How many electron shells does meitnerium have?

Electrons per shell: 2, 8, 18, 32, 32, 15, 2 (predicted)
‣ What is the correct electron configuration for meitnerium?

Electron configuration: [Rn] 5f14 6d7 7s2 (predicted)
Meitnerium ionization energies:
1st: 800 kJ/mol
2nd: 1820 kJ/mol
3rd: 2900 kJ/mol(all estimated)
‣ What is the phase of meitnerium?

Phase (at r.t): solid (predicted)
‣ What is the density of the element meitnerium?

Density (near r.t): 27-28 g/cm3 (predicted)
Meitnerium magnetic ordering: paramagnetic (predicted)
Meitnerium natural occurrence: synthetic
Meitnerium oxidation state: (+1), (+3), (+4), (+6), (+8), (+9) (predicted)
Meitnerium crystal structure: face-centered cubic (fcc) (predicted)
Meitnerium CAS number: 54038-01-6

‣ How many isotopes does meitnerium have?

Main isotopes of meitnerium
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
274Mtsyn0.4 sα270Bh
276Mtsyn0.6 sα272Bh
278Mtsyn4 sα274Bh
282Mtsyn67 s?α278Bh

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