Manganese Element (Periodic Table)

Manganese

Manganese (Mn) is a chemical element of the periodic table, located in the group 7 and the period 4, and has the atomic number 25. It is a hard, silvery-grey transition metal, whose name comes from the Latin word “magnes”, which means magnet. It is the twelfth most abundant element on earth.

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 Manganese Element

Manganese
‣ What does manganese look like?

Appearance: silvery metallic
‣ Who discovered manganese and when?

Discovery: Carl Wilhelm Scheele (1774)
First isolation: Johann Gottlieb Gahn (1774)
‣ Where is manganese found on the periodic table?

Manganese Periodic Table

Location: Manganese is found in the seventh column of the periodic table, next to the chromium element.
‣ What is the atomic number of manganese?

Atomic number (Z): 25
‣ What is the symbol of manganese?

Symbol: Mn
Manganese atomic weight: 54.938043
‣ Which block is manganese (mn) located in?

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

Group: 7
‣ In what period is manganese located?

Period: 4
‣ What is the atomic radius of manganese?

Atomic radius: empirical: 127 pm
Manganese covalent radius:
Low spin: 139±5 pm
High spin: 161±8 pm
Manganese Van der Waals radius: 182 pm
‣ What is manganese melting point?

Melting point: 1519 K (1246 °C, 2275 °F)
‣ What is manganese boiling point?

Boiling point: 2334 K (2061 °C, 3742 °F)
‣ How many electron shells are in manganese?

Electrons per shell: 2, 8, 13, 2
‣ What is the ground state electron configuration of manganese?

Electron configuration: [Ar] 3d5 4s2
‣ What is the ionization energy of manganese?

Ionization energies:
1st: 717.3 kJ/mol
2nd: 1509.0 kJ/mol
3rd: 3248 kJ/mol
‣ Is manganese a solid, liquid or gas?

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

Density (near r.t): 7.21 g/cm3
when liquid (at m.p): 5.95 g/cm3
Manganese magnetic ordering: paramagnetic
Manganese natural occurrence: primordial
‣ What is the oxidation state of manganese?

Oxidation state: +2, +3, +4, +5, +6, +7
‣ What’s the electronegativity of manganese?

Electronegativity: Pauling scale: 1.55
Manganese heat of fusion: 12.91 kJ/mol
Manganese heat of vaporization: 221 kJ/mol
Manganese molar heat capacity: 26.32 J/(mol K)
Manganese molar magnetic susceptibility: (α) +529.0 × 10-6 cm3/mol (293 K)
Speed of sound in manganese: 5150 m/s (at 20 °C)
‣ What is the crystal structure of manganese?

Crystal structure: body-centered cubic (bcc)
Thermal expansion of manganese: 21.7 µm/(m.K) (at 25 °C)
Thermal conductivity of manganese: 7.81 W/(m.K)
Manganese electrical resistivity: 1.44 µΩ.m (at 20 °C)
‣ What is the hardness of manganese?

Mohs hardness: 6.0
Brinell hardness: 196 MPa
Young’s modulus of manganese: 198 GPa
Bulk modulus of manganese: 120 GPa
Manganese CAS number: 7439-96-5

‣ Manganese vapor pressure

Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)122813471493169119552333

‣ How many isotopes does manganese have?

Main isotopes of manganese
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
52Mnsyn5.6 dε
β+
γ
52Cr
52Cr
53Mntrace3.74 × 106 yε53Cr
54Mnsyn312.03 dε
γ
54Cr
55Mn100 %stable

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