Home
 Compare Metals

Barium vs Nobelium

Barium
Nobelium
Nobelium vs Barium


Periodic Table
Symbol
Ba  
No  
Group Number
2  
16
3  
15
Period Number
6  
7  
Block
s block  
f block  
Element Family
Alkaline Earth  
Actinide  
CAS Number
7440393  
99+
10028145  
16
Space Group Name
Im_ 3m  
-  
Space Group Number
229.00  
2
194.00  
7
Facts
Interesting Facts
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
History
  
  
Who Discovered
Carl Wilhelm Scheele  
Joint Institute for Nuclear Research  
Discovery
In 1772  
In 1966  
Abundance
  
  
Abundance In Universe
0.00 %  
17
-  
Abundance In Sun
0.00 %  
18
-  
Abundance In Meteorites
0.00 %  
20
-  
Abundance In Earth's Crust
0.03 %  
11
-  
Abundance In Oceans
0.00 %  
8
-  
Abundance In Humans
0.00 %  
13
-  
Uses
Uses & Benefits
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
  
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
Industrial Uses
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Low Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.07 Blood/mg dm-3  
15
0.00 Blood/mg dm-3  
40
In Bone
70.00 p.p.m.  
9
0.00 p.p.m.  
99+
Physical
Melting Point
725.00 °C  
99+
827.00 °C  
99+
Boiling Point
1,140.00 °C  
99+
2,600.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
1.25  
20
-  
Brinell Hardness
130.00 MPa  
99+
500.00 MPa  
28
Vickers Hardness
210.00 MPa  
99+
500.00 MPa  
35
Speed of Sound
1,620.00 m/s  
99+
1,100.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.47  
38
1.30  
99+
Reflectivity
65.00 %  
18
61.00 %  
22
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ba  
No  
Isotopes
  
  
Known Isotopes
37  
2
13  
26
Electronegativity
  
  
Pauling Electronegativity
0.89  
99+
1.30  
33
Sanderson Electronegativity
0.68  
99+
1.30  
25
Allred Rochow Electronegativity
0.97  
39
1.20  
28
Mulliken-Jaffe Electronegativity
0.88  
99+
1.30  
33
Allen Electronegativity
0.88  
99+
1.10  
99+
Electropositivity
  
  
Pauling Electropositivity
3.11  
4
2.70  
22
Ionization Energies
  
  
1st Energy Level
502.90 kJ/mol  
99+
642.00 kJ/mol  
99+
2nd Energy Level
965.20 kJ/mol  
99+
1,254.00 kJ/mol  
99+
3rd Energy Level
3,600.00 kJ/mol  
14
2,643.00 kJ/mol  
99+
4th Energy Level
502.90 kJ/mol  
99+
3,956.00 kJ/mol  
99+
5th Energy Level
5,020.00 kJ/mol  
99+
6,400.00 kJ/mol  
35
6th Energy Level
5,020.00 kJ/mol  
99+
6,400.00 kJ/mol  
99+
7th Energy level
5,020.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
8th Energy Level
5,020.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
9th Energy Level
5,020.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
10th Energy Level
5,020.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
11th Energy Level
5,020.00 kJ/mol  
99+
6,420.00 kJ/mol  
99+
12th Energy Level
5,020.00 kJ/mol  
99+
64,000.00 kJ/mol  
8
13th Energy Level
5,020.00 kJ/mol  
99+
6,400.00 kJ/mol  
36
14th Energy Level
5,020.00 kJ/mol  
99+
6,400.00 kJ/mol  
26
15th Energy Level
50,200.00 kJ/mol  
99+
64,000.00 kJ/mol  
36
16th Energy Level
50,270.00 kJ/mol  
99+
64,000.00 kJ/mol  
27
17th Energy Level
502.90 kJ/mol  
99+
641.00 kJ/mol  
99+
18th Energy Level
5,020.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+
19th Energy Level
502.90 kJ/mol  
99+
627.60 kJ/mol  
99+
20th Energy Level
502.00 kJ/mol  
99+
627.00 kJ/mol  
99+
21st Energy Level
502.90 kJ/mol  
99+
917.00 kJ/mol  
34
22nd Energy Level
502.00 kJ/mol  
99+
627.00 kJ/mol  
36
23rd Energy Level
502.90 kJ/mol  
99+
6,410.00 kJ/mol  
12
24th Energy Level
502.90 kJ/mol  
99+
627.00 kJ/mol  
39
25th Energy Level
503.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
502.90 kJ/mol  
99+
601.20 kJ/mol  
99+
27th Energy Level
502.90 kJ/mol  
99+
641.00 kJ/mol  
37
28th Energy Level
502.90 kJ/mol  
99+
641.60 kJ/mol  
99+
29th Energy Level
502.90 kJ/mol  
99+
641.00 kJ/mol  
99+
30th Energy Level
503.00 kJ/mol  
99+
627.00 kJ/mol  
99+
Electrochemical Equivalent
2.56 g/amp-hr  
24
4.83 g/amp-hr  
4
Electron Work Function
2.70 eV  
99+
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
56  
99+
102  
16
Electron Configuration
[Xe] 6s2  
[Rn] 5f14 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Not Known  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
Atom
  
  
Number of Protons
56  
99+
102  
16
Number of Neutrons
81  
99+
157  
8
Number of Electrons
56  
99+
102  
16
Radius of an Atom
  
  
Atomic Radius
222.00 pm  
5
176.00 pm  
20
Covalent Radius
215.00 pm  
5
157.00 pm  
33
Van der Waals Radius
268.00 pm  
8
246.00 pm  
12
Atomic Weight
137.33 amu  
99+
259.00 amu  
13
Atomic Volume
39.24 cm3/mol  
6
19.80 cm3/mol  
33
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Mendelevium
  
Next Element
Lanthanum
  
Lawrencium
  
Valence Electron Potential
21.30 (-eV)  
99+
26.00 (-eV)  
99+
Lattice Constant
502.80 pm  
17
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.57  
99+
1.76  
5
Mechanical
Density
  
  
Density At Room Temperature
3.51 g/cm3  
99+
9.90 g/cm3  
99+
Density When Liquid (at m.p.)
3.34 g/cm3  
99+
9.90 g/cm3  
99+
Tensile Strength
55.00 MPa  
37
80.00 MPa  
29
Viscosity
0.00  
2
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
7.11 (Pa)  
6
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
28
Elasticity properties
  
  
Shear Modulus
4.90 GPa  
99+
27.00 GPa  
34
Bulk Modulus
9.60 GPa  
99+
8.70 GPa  
99+
Young's Modulus
13.00 GPa  
99+
12.30 GPa  
99+
Poisson Ratio
0.22  
31
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
3.62  
99+
9.90  
99+
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
15
0.00 H/m  
3
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Superconductor  
-  
Resistivity
332.00 nΩ·m  
13
0.68 nΩ·m  
99+
Electrical Conductivity
0.03 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
13.95 kJ/mol  
99+
50.00 kJ/mol  
26
Thermal
Specific Heat
0.20 J/(kg K)  
31
0.10 J/(kg K)  
99+
Molar Heat Capacity
28.07 J/mol·K  
15
27.00 J/mol·K  
29
Thermal Conductivity
18.40 W/m·K  
99+
0.10 W/m·K  
99+
Critical Temperature
1,000.00 K  
99+
1,100.00 K  
99+
Thermal Expansion
20.60 µm/(m·K)  
24
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
140.00 kJ/mol  
99+
-  
Enthalpy of Fusion
7.66 kJ/mol  
99+
-  
Enthalpy of Atomization
175.70 kJ/mol  
99+
390.40 kJ/mol  
30
Standard Molar Entropy
62.50 J/mol.K  
25
63.00 J/mol.K  
24
Periodic Table >>
<< All

Compare Alkali Metals

Alkali Metals

Alkali Metals

» More Alkali Metals

Compare Alkali Metals

» More Compare Alkali Metals
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!