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Periodic Table Element Comparison: Compare Elements - Osmium vs Barium

Compare Osmium and Barium

Compare Osmium and Barium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Osmium vs Barium with most reliable information about their properties, attributes, facts, uses etc. You can compare Os vs Ba on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Osmium
76
Os
190.23
Solid
SlateGray
transition metal
8
iron family 
6
d
[Xe] 4f14 5d6 6s2
3033 °C
5012 °C
2, 8, 18, 32, 14, 2
CAS7440-04-2
Neighborhood Elements of Osmium
Barium
56
Ba
137.327
Solid
Silver
alkaline earth metal
2
beryllium family 
6
s
[Xe] 6s2
727 °C
1870 °C
2, 8, 18, 18, 8, 2
CAS7440-39-3
Neighborhood Elements of Barium

History

History
The element Osmium was discovered by Smithson Tennant in year 1803 in United Kingdom. Osmium derived its name from from the Greek osmè, meaning 'smell'
The element Barium was discovered by Carl Wilhelm Scheele in year 1808 in United Kingdom. Barium derived its name derived its name from from the Greek barys, meaning 'heavy'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
3×10-7%
2×10-7%
6.6e-07
1.8×10-7%
N/A
N/A
1×10-6%
1×10-6%
2.7e-06
0.00034
3×10-6%
3e-07

Crystal Structure and Atomic Structure

185 pm
8.4209827357238 cm3
128 pm
N/A
15
osmium Spectrum
273.44, 273.44, 431.73 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

osmium Crystal Structure
253 pm
39.124501424501 cm3
198 pm
N/A
1.3
barium Spectrum
502.8, 502.8, 502.8 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

barium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
76
76
76
190.23
114.23
2, 8, 18, 32, 14, 2
[Xe] 4f14 5d6 6s2
5d6 6s2
-4;-2;-1  1;2;3;4;5;6;7;8
5D4
osmium Shells
56
56
56
137.327
81.327
2, 8, 18, 18, 8, 2
[Xe] 6s2
6s2
 1;2
1S0
barium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
184Os, 187Os, 188Os, 189Os, 190Os, 192Os.
Naturally occurring stable isotopes:
130Ba, 132Ba, 134Ba, 135Ba, 136Ba, 137Ba, 138Ba.

Chemical Properties: Ionization Energies and electron affinity

6
2.2
106.1 kJ/mol
840, 1.6×103 kJ/mol
2
0.89
13.95 kJ/mol
502.9, 965.2, 3.6×103 kJ/mol

Physical Properties

22.59 g/cm3
8.4209827357238

 

N/A
222 GPa
N/A
0.25


 

7 MPa
N/A
3920 MPa

 

1.2×107 S/m
8.1×10-8 m Ω
0.66

 

88 W/(m K)
5.1×10-6 K-1

 

Paramagnetic
N/A
6×10-10
1.1×10-10
1.4e-05

 

N/A

 

4940 m/s
3.51 g/cm3
39.124501424501

 

13 GPa
4.9 GPa
9.6 GPa
N/A


 

1.25 MPa
N/A
N/A

 

2.9×106 S/m
3.5×10-7 m Ω
N/A

 

18 W/(m K)
0.0000206 K-1

 

Paramagnetic
N/A
1.13×10-8
1.552×10-9
3.966e-05

 

N/A

 

1620 m/s

Thermal Properties - Enthalpies and thermodynamics

3033 °C
5012 °C
N/A
0.66

 

31 kJ/mol
630 kJ/mol
N/A
727 °C
1870 °C
N/A
N/A

 

8 kJ/mol
140 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-04-2
RTECSRN1100000
4.1
3089
N/A
4
N/A
N/A
1

 

N/A
N/A
CAS7440-39-3
RTECSCQ8370000
4.3
1400
N/A
1
Water Reactive
2
2

 

N/A
N/A