Barium

aspect 56 of routine table is Barium with atomic number 56, atomic weight 137.327. Barium, prize Ba, has a Body centered Cubic structure and Silver color. Barium is a alkaline earth metal element. Trivial surname of Barium is alkaline planet metals*. Know everything around Barium Facts, physical Properties, chemistry Properties, electronic configuration, Atomic and Crystal Structure.


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Barium is a chemical element with prize Ba and also atomic number 56. The is the fifth element in group 2, a soft silvery metallic alkaline earth metal. Since of its high chemical reactivity barium is never uncovered in nature together a totally free element.

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Barium Facts

Read key information and also facts about element Barium

surname Barium
atomic Number 56
atom Symbol Ba
Atomic weight 137.327
step Solid
color Silver
Classification alkaline earth metal
team in regular Table 2
Group Name beryllium family members
duration in regular Table 6
Block in periodic Table s-block
Electronic Configuration 6s2
Melting suggest 727 °C
Boiling point 1870 °C
Electronic covering Structure <2, 8, 18, 18, 8, 2>
CAS Number CAS7440-39-3

neighborhood
37
Rb
38
Sr
39
Y
55
Cs
56
Ba
87
Fr
88
Ra
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
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
Lanthanides
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
Actinide
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

discover our interactive regular table


How to situate Barium on periodic Table

Periodic table is i ordered it by atom number, variety of protons in the nucleus which is same as number of electrons. The atom number rises from left come right. Regular table start at top left ( atom number 1) and ends at bottom right (atomic number 118). As such you can straight look because that atomic number 56 to uncover Barium on regular table.

Another way to read routine table and locate an element is through using group number (column) and period number (row). To situate Barium on regular table look because that cross ar of group 2 and duration 6 in the contemporary periodic table.

check out Interactive periodic Table come Understand and Learn Cool trends

Table the Contents


History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and Safety Parameters and also Guidelines
Databases
Compare Barium with various other elements

Barium History

The element Barium was uncovered by Carl Wilhelm Scheele in year 1808 in uk . Barium acquired its name from the Greek barys, definition "heavy"

Barium Presence: abundance in Nature and also Around Us

The table below shows the variety of Barium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.

Ppb by load (1ppb =10^-7 %)
variety in universe 1×10-6%
abundance in sunlight 1×10-6%
variety in Meteorites 2.7e-06
Abundance in Earth"s late 0.00034
abundance in oceans 3×10-6%
variety in human beings 3e-07

Crystal structure of Barium

The hard state structure of Barium is Body focused Cubic.

The decision structure have the right to be defined in regards to its unit Cell. The unit cells repeats chin in three dimensional room to kind the structure.

Unit cell Parameters

The unit cell is represented in regards to its lattice parameters, which are the lengths of the cabinet edges Lattice Constants (a, b and c)

a b c
502.8 502.8 502.8 pm

and the angles in between them Lattice angle (alpha, beta and gamma).

alpha beta gamma
π/2 π/2 π/2

The positions of the atoms inside the unit cell are explained by the collection of atom positions ( xi, yi, zi) measured indigenous a reference lattice point.

The symmetry properties of the crystal are explained by the concept of an are groups. All possible symmetric kinds of particles in three-dimensional an are are explained by the 230 room groups (219 distinctive types, or 230 if chiral duplicates are taken into consideration distinct.

room Group surname Im_ 3m
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an are Group Number 229
Crystal framework Body focused Cubic

Barium Atomic and Orbital Properties

Barium atoms have 56 electrons and also the digital shell structure is <2, 8, 18, 18, 8, 2> v Atomic ax Symbol (Quantum Numbers) 1S0.


atomic Number 56
Number of electron (with no charge) 56
Number of Protons 56
Mass Number 137
Number that Neutrons 81
Shell structure (Electrons per energy level) <2, 8, 18, 18, 8, 2>
Electron configuration 6s2
Valence Electrons 6s2
Oxidation State 1;2
Atomic term Symbol (Quantum Numbers) 1S0

Shell structure of Barium - electron per energy level


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Ground State digital Configuration of Barium - neutral Barium atom

The soil state electronic configuration that Neutral Barium atom is 6s2. The section of Barium configuration the is indistinguishable to the noble gas the the preceding period, is abbreviated together . Because that atoms with plenty of electrons, this notation have the right to become an extensive and therefore an abbreviated notation is used.This is necessary as the is the Valence electron 6s2, electron in the outermost shell that recognize the chemical properties the the element.

See more: How Many Kilograms In 20 Pounds, Convert 20 Pounds To Kilograms

Unabbreviated electronic configuration the neutral Barium

Complete ground state electronic configuration for the Barium atom, Unabbreviated digital configuration

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s2

Atomic framework of Barium

Barium atomic radius is 253 pm, when it"s covalent radius is 198 pm.

atom Radius

253 pm (2.53 Å)

Atomic Volume 39.1245014245 cm3
Covalent Radius 198 afternoon (1.98 Å)
van der Waals Radius N/A
spirit Cross ar 1.3 σa/barns

Atomic Spectrum the Barium

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Barium chemistry Properties: Barium Ionization Energies and electron affinity

The electron affinity that Barium is 13.95 kJ/mol

Valence 2
Electronegativity 0.89
ElectronAffinity 13.95 kJ/mol

Ionization energy of Barium

Refer come table below for Ionization energies that Barium

Ionization power number Enthalpy - kJ/mol
1 502.9
2 965.2
3 3.6×103

Barium physical Properties

Refer to listed below table because that Barium physics Properties

density 3.51 g/cm3
Molar Volume 39.1245014245 cm3

Elastic Properties

Young Modulus 13 GPa
Shear Modulus 4.9 GPa
mass Modulus 9.6 GPa
Poisson proportion N/A

Hardness that Barium - test to measure of Hardness of Element

Mohs Hardness 1.25 MPa
Vickers Hardness N/A
Brinell Hardness N/A

Barium electric Properties

Barium is Conductor of electricity. Describe table listed below for the electrical properties the Barium

electric Conductivity 2.9×106 S/m
Resistivity 3.5×10-7 m Ω
Superconducting point N/A

Barium Heat and Conduction Properties

heat Conductivity 18 W/(m K)
Thermal development 0.0000206 K-1

Barium Magnetic Properties

Magnetic form Paramagnetic
Curie suggest N/A
mass Magnetic Susceptibility 1.13×10-8
Molar Magnetic Susceptibility 1.552×10-9
Volume Magnetic Susceptibility 3.966e-05

Optical nature of Barium

Refractive index N/A

Acoustic properties of Barium

rate of Sound 1620 m/s

Barium heat Properties - Enthalpies and thermodynamics

Refer to table below for thermal properties of Barium

Melting allude 1×103 K (727 °C)
Boiling point 2143 K (1870 °C)
an essential Temperature N/A
Superconducting point N/A

Enthalpies of Barium

warmth of blend 8 kJ/mol
warmth of Vaporization 140 kJ/mol
warm of combustion N/A

Barium isotopes - atom Properties the Barium

Isotopes of rhodium. Naturally occurring Barium has 7 stable isotope - 130Ba, 132Ba, 134Ba, 135Ba, 136Ba, 137Ba, 138Ba.


Isotope Isotope massive % variety T fifty percent Decay mode
114Ba
115Ba
116Ba
117Ba
118Ba
119Ba
120Ba
121Ba
122Ba
123Ba
124Ba
125Ba
126Ba
127Ba
128Ba
129Ba
130Ba 0.106% steady N/A
131Ba
132Ba 0.101% secure N/A
133Ba
134Ba 2.417% secure N/A
135Ba 6.592% secure N/A
136Ba 7.854% steady N/A
137Ba 11.232% stable N/A
138Ba 71.698% stable N/A
139Ba
140Ba
141Ba
142Ba
143Ba
144Ba
145Ba
146Ba
147Ba
148Ba
149Ba
150Ba
151Ba
152Ba
153Ba

Regulatory and Health - Health and also Safety Parameters and also Guidelines

CAS Number CAS7440-39-3
RTECS Number RTECSCQ8370000
dot Hazard class 4.3
period Numbers 1400
EU Number N/A
NFPA Fire Rating 1
NFPA dangers Water Reactive
NFPA health and wellness Rating 2
NFPA Reactivity Rating 2
Autoignition allude N/A
Flashpoint N/A

Database Search

perform of distinct identifiers to search the element in miscellaneous chemical registry databases

Database id number
CAS Number - chemical Abstracts business (CAS) CAS7440-39-3
CID Number CID5355457
Gmelin Number N/A
NSC Number N/A
RTECS Number RTECSCQ8370000

Compare Barium v all Group 2 elements

Barium vs Beryllium Barium vs Magnesium Barium vs Calcium Barium vs Strontium Barium vs Radium

Compare Barium v all alkaline earth metal elements

Barium vs Beryllium Barium vs Magnesium Barium vs Calcium Barium vs Strontium Barium vs Radium