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Ni Element



Periodic Table

Symbol
Ni

Group Number
10 8

Period Number
4 4

Block
d block

Element Family
Transition Metal

CAS Number
7440020 77

Space Group Name
Fm_ 3m

Space Group Number
225.00 3

Facts

Interesting Facts
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • After iron, Zinc metal the second most abundant element in the earth crust.

Sources
Found in Minerals, Mining, Ores of Minerals

History

Who Discovered
Axel Fredrik Cronstedt

Discovery
In 1751

Abundance

Abundance In Universe
0.01 % 5

Abundance In Sun
0.01 % 3

Abundance In Meteorites
1.30 % 3

Abundance In Earth's Crust
0.01 % 15

Abundance In Oceans
0.00 % 13

Abundance In Humans
0.00 % 17

Uses

Uses & Benefits
  • It has corrosion resistance and hence it is used to plate other metals.
  • Its alloys are very useful; Nichrome alloy is used in the hot coil of toasters and electric oven.

Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry

Medical Uses
-

Other Uses
Alloys

Biological Properties

Toxicity
Toxic

Present in Human Body
Yes

In Blood
0.05 Blood/mg dm-3 17

In Bone
0.70 p.p.m. 20

Physical

Melting Point
1,453.00 °C 31

Boiling Point
2,732.00 °C 40

Appearance

Physical State
Solid

Color
Silver

Luster
Metallic

Hardness

Mohs Hardness
4.00 11

Brinell Hardness
667.00 MPa 20

Vickers Hardness
638.00 MPa 24

Speed of Sound
4,900.00 m/s 16

Optical Properties

Refractive Index
1.68 28

Reflectivity
72.00 % 11

Allotropes
No

α Allotropes
-

β Allotropes
-

γ Allotropes
-

Chemical

Chemical Formula
Ni

Isotopes

Known Isotopes
25 14

Electronegativity

Pauling Electronegativity
1.91 11

Sanderson Electronegativity
1.94 12

Allred Rochow Electronegativity
1.75 4

Mulliken-Jaffe Electronegativity
1.91 12

Allen Electronegativity
1.88 9

Electropositivity

Pauling Electropositivity
2.09 44

Ionization Energies

1st Energy Level
737.10 kJ/mol 25

2nd Energy Level
1,753.00 kJ/mol 26

3rd Energy Level
3,395.00 kJ/mol 17

4th Energy Level
5,300.00 kJ/mol 24

5th Energy Level
7,339.00 kJ/mol 23

6th Energy Level
10,400.00 kJ/mol 15

7th Energy level
12,800.00 kJ/mol 10

8th Energy Level
15,600.00 kJ/mol 10

9th Energy Level
18,600.00 kJ/mol 10

10th Energy Level
21,670.00 kJ/mol 14

11th Energy Level
30,970.00 kJ/mol 7

12th Energy Level
34,000.00 kJ/mol 29

13th Energy Level
37,100.00 kJ/mol 7

14th Energy Level
41,500.00 kJ/mol 8

15th Energy Level
44,800.00 kJ/mol 78

16th Energy Level
48,100.00 kJ/mol 63

17th Energy Level
55,101.00 kJ/mol 11

18th Energy Level
58,570.00 kJ/mol 12

19th Energy Level
148,700.00 kJ/mol 1

20th Energy Level
159,000.00 kJ/mol 3

21st Energy Level
169,400.00 kJ/mol 3

22nd Energy Level
182,700.00 kJ/mol 2

23rd Energy Level
194,000.00 kJ/mol 2

24th Energy Level
737.10 kJ/mol 21

25th Energy Level
737.10 kJ/mol 21

26th Energy Level
737.10 kJ/mol 21

27th Energy Level
737.10 kJ/mol 20

28th Energy Level
737.10 kJ/mol 26

29th Energy Level
737.10 kJ/mol 27

30th Energy Level
737.00 kJ/mol 21

Electrochemical Equivalent
1.10 g/amp-hr 62

Electron Work Function
5.15 eV 6

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes

Atomic

Atomic Number
28 79

Electron Configuration
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1

Crystal Structure
Face Centered Cubic (FCC)

Crystal Lattice
FCC-Crystal-Structure-of-Nickel.jpg#100

Atom

Number of Protons
28 78

Number of Neutrons
31 60

Number of Electrons
28 78

Radius of an Atom

Atomic Radius
124.00 pm 51

Covalent Radius
124.00 pm 54

Van der Waals Radius
163.00 pm 47

Atomic Weight
58.69 amu 73

Atomic Volume
6.59 cm3/mol 80

Adjacent Atomic Numbers

Previous Element
30

Next Element
6

Valence Electron Potential
42.00 (-eV) 44

Lattice Constant
352.40 pm 45

Lattice Angles
π/2, π/2, π/2

Lattice C/A Ratio
1.86 4

Mechanical

Density

Density At Room Temperature
8.91 g/cm3 49

Density When Liquid (at m.p.)
7.81 g/cm3 56

Tensile Strength
345.00 MPa 13

Viscosity
0.00 8

Vapor Pressure

Vapor Pressure at 1000 K
0.00 (Pa) 33

Vapor Pressure at 2000 K
19.50 (Pa) 6

Elasticity properties

Shear Modulus
76.00 GPa 12

Bulk Modulus
180.00 GPa 9

Young's Modulus
200.00 GPa 12

Poisson Ratio
0.31 13

Other Mechanical Properties
Ductile

Magnetic

Magnetic Characteristics

Specific Gravity
8.90 48

Magnetic Ordering
Ferromagnetic

Permeability
0.00 H/m 2

Susceptibility
600.00 2

Electrical Properties

Electrical Property
Conductor

Resistivity
69.30 nΩ·m 39

Electrical Conductivity
0.14 106/cm Ω 14

Electron Affinity
112.00 kJ/mol 7

Thermal

Specific Heat
0.44 J/(kg K) 13

Molar Heat Capacity
26.07 J/mol·K 39

Thermal Conductivity
90.90 W/m·K 18

Critical Temperature
1,728.00 K 35

Thermal Expansion
13.40 µm/(m·K) 34

Enthalpy

Enthalpy of Vaporization
371.80 kJ/mol 29

Enthalpy of Fusion
17.57 kJ/mol 14

Enthalpy of Atomization
422.60 kJ/mol 22

Standard Molar Entropy
29.90 J/mol.K 67

Summary >>
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