Bismuth

Chromium

Bismuth vs Chromium

Bismuth

Chromium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

156

0 17

1.3 Period Number

2 7

1.4 Block

p block

d block

1.5 Element Family

Post-Transition

Transition Metal

1.6 CAS Number

74406997440473

7429905 54386242

1.7 Space Group Name

C12/m1

Im_ 3m

1.8 Space Group Number

12.00229.00

11 229

2 Facts

2.1 Interesting Facts

Bismuth metal is soluble and reacts with concentrated nitric acid.

It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.

Chromium is highly reactive, hence it is not found free in nature.

Ores of Chromites mineral are the major source of Chromium metal.

Almost 90% leather tanning is done with the help of chromium.

2.2 Sources

Found in Minerals, Mining, Ores of Minerals

Found in Minerals, Mining, Ores of metals, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Claude François Geoffroy

Louis Nicolas Vauquelin

2.3.2 Discovery

In 1753

In Between 1797 - 1798

2.4 Abundance

2.4.1 Abundance In Universe

7 * 10^-8 %1.5 * 10^-3 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.000006 %~0.002 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.30 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %0.01 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.

It is used to harden the steel and produces a stainless steel and other various alloys.
It is also used to give proper finish to polished mirrors. Its chromium plates are used in bathroom fittings.

3.1.1 Industrial Uses

Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry

Automobile Industry, Chemical Industry

3.1.2 Medical Uses

Pharmaceutical Industry

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Low Toxic

Highly Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.02 Blood/mg dm-30.11 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.20 p.p.m.0.33 p.p.m.

0 170000

4 Physical

4.1 Melting Point

271.30 °C1,857.00 °C

27 3410

4.2 Boiling Point

1,560.00 °C2,672.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silver

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

2.258.50

0.2 8.5

4.4.2 Brinell Hardness

70.00 MPa687.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA1,060.00 MPa

121 3430

4.5 Speed of Sound

1,790.00 m/s5,940.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NANA

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

Not Available

4.7.2 β Allotropes

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

3321

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

2.021.66

0.7 2.54

5.3.2 Sanderson Electronegativity

2.341.66

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.671.56

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

2.15NA

0.62 2.48

5.3.5 Allen Electronegativity

2.011.65

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

1.982.34

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

703.00 kJ/mol26,130.00 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,610.00 kJ/mol28,750.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,466.00 kJ/mol34,230.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

4,370.00 kJ/mol37,066.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

5,400.00 kJ/mol97,510.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

8,520.00 kJ/mol105,800.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA114,300.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA125,300.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA134,700.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA144,300.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA26,130.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA28,750.00 kJ/mol

22219 189368

5.5.13 13th Energy Level

NA34,230.00 kJ/mol

26930 76015

5.5.14 14th Energy Level

NA37,066.00 kJ/mol

29196 86450

5.5.15 15th Energy Level

NA97,510.00 kJ/mol

41987 97510

5.5.16 16th Energy Level

NA105,800.00 kJ/mol

47206 109480

5.5.17 17th Energy Level

NA114,300.00 kJ/mol

52737 122200

5.5.18 18th Energy Level

NA125,300.00 kJ/mol

58570 134810

5.5.19 19th Energy Level

NA134,700.00 kJ/mol

64702 148700

5.5.20 20th Energy Level

NA144,300.00 kJ/mol

80400 171200

5.5.21 21st Energy Level

NA157,700.00 kJ/mol

87000 179100

5.5.22 22nd Energy Level

NA166,090.00 kJ/mol

93400 184900

5.5.23 23rd Energy Level

NANA

98420 198800

5.5.24 24th Energy Level

NANA

104400 195200

5.5.25 25th Energy Level

NANA

121900 121900

5.5.26 26th Energy Level

NANA

127700 127700

5.5.27 27th Energy Level

NANA

133800 133800

5.5.28 28th Energy Level

NANA

139800 139800

5.5.29 29th Energy Level

NANA

148100 148100

5.5.30 30th Energy Level

NANA

154500 154500

5.6 Electrochemical Equivalent

2.60 g/amp-hr0.32 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

4.22 eV4.50 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Solubility

Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility

6 Atomic

6.1 Atomic Number

8324

3 117

6.2 Electron Configuration

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³

[Ar] 3d⁵ 4s¹

6.3 Crystal Structure

Rhombohedral (RHO)

Body Centered Cubic (BCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

8324

3 117

6.4.2 Number of Neutrons

12628

4 184

6.4.3 Number of Electrons

8324

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

156.00 pm128.00 pm

112 265

6.5.2 Covalent Radius

148.00 pm139.00 pm

96 260

6.5.3 Van der Waals Radius

207.00 pm200.00 pm

139 348

6.6 Atomic Weight

208.98 amu52.00 amu

6.94 294

6.7 Atomic Volume

21.30 cm3/mol7.23 cm3/mol

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

41.90 (-eV)170.00 (-eV)

8 392.42

6.10 Lattice Constant

667.40 pm291.00 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

9.78 g/cm³7.19 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

10.05 g/cm36.30 g/cm3

0.512 20

7.2 Tensile Strength

NA689.00 MPa

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

NA0.00 (Pa)

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

NA774.00 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

12.00 GPa115.00 GPa

1.3 222

7.5.2 Bulk Modulus

31.00 GPa160.00 GPa

1.6 462

7.5.3 Young's Modulus

32.00 GPa279.00 GPa

1.7 528

7.6 Poisson Ratio

0.330.21

0.032 0.47

7.7 Other Mechanical Properties

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

9.797.19

0.53 4500

8.1.2 Magnetic Ordering

Diamagnetic

Antiferromagnetic

8.1.3 Permeability

0.00 H/mNA

1.25643E-06 0.0063

8.1.4 Susceptibility

0.00NA

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Semiconductor

8.2.2 Resistivity

1.29 nΩ·m125.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.01 10⁶/cm Ω0.08 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

91.20 kJ/mol64.30 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.12 J/(kg K)0.45 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

25.52 J/mol·K23.35 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

7.97 W/m·K93.90 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

13.40 µm/(m·K)4.90 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

151.00 kJ/mol348.80 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

10.90 kJ/mol15.31 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

207.10 kJ/mol397.50 kJ/mol

61.5 837

9.7 Standard Molar Entropy

56.70 J/mol.K23.80 J/mol.K

9.5 198.1

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