Manganese Element (Periodic Table)

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

period

1
H

2
He

3
Li

4
Be

5
B

6
C

7
N

8
O

9
F

10
Ne

11
Na

12
Mg

13
Al

14
Si

15
P

16
S

17
Cl

18
Ar

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

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

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

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? 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)	1	10	100	1 k	10 k	100 k
at T (K)	1228	1347	1493	1691	1955	2333

‣ How many isotopes does manganese have?

Main isotopes of manganese
Isotope	Abundance	Half-life (t_1/2)	Decay mode	Product
⁵²Mn	syn	5.6 d	ε β⁺ γ	⁵²Cr ⁵²Cr –
⁵³Mn	trace	3.74 × 10⁶ y	ε	⁵³Cr
⁵⁴Mn	syn	312.03 d	ε γ	⁵⁴Cr –
⁵⁵Mn	100 %		stable

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Related:

Periodic Table of Elements

Also Read:

FAQs on Manganese Element

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