Home
Transition Metals
-
Copper
Silver
Gold
Actinide Metals
+
Californium
Plutonium
Thorium
Lanthanide Metals
+
Cerium
Erbium
Gadolinium
Post-Transition Metals
+
Bismuth
Lead
Aluminium
Alkaline Earth Metals
+
Beryllium
Calcium
Magnesium
×
Holmium
☒
Iridium
☒
☒
☒
☒
Top
ADD
⊕
Compare
≡
Menu
Compare Metals
Find
▼
Transition Metals
Actinide Metals
Lanthanide Metals
Post-Transition Metals
Alkaline Earth Metals
Alkali Metals
More
X
Holmium
X
Iridium
Properties of Holmium and Iridium
Holmium
Iridium
Add ⊕
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
Properties
All
1 Physical
1 Melting Point
Properties of T..
⊕
▶
▼
1,461.00 °C
Rank:
30
(Overall)
▶
2,410.00 °C
Rank:
7
(Overall)
▶
▲
Properties of Francium
⊕
▶
1227
(Properties of..)
◀
▶
ADD ⊕
2 Boiling Point
Properties of T..
⊕
▶
▼
2,600.00 °C
Rank:
42
(Overall)
▶
4,527.00 °C
Rank:
10
(Overall)
▶
▲
Properties of Flerovium
⊕
▶
2627
(Properties of..)
◀
▶
ADD ⊕
4 Hardness
4.1 Mohs Hardness
Properties of C..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
6.50
Rank:
5
(Overall)
▶
▲
Properties of Cesium
⊕
▶
4
(Properties of..)
◀
▶
ADD ⊕
5.1 Brinell Hardness
Properties of O..
⊕
▶
▼
746.00 MPa
Rank:
13
(Overall)
▶
1,670.00 MPa
Rank:
5
(Overall)
▶
▲
Properties of Cesium
⊕
▶
600
(Properties of..)
◀
▶
ADD ⊕
7.1 Vickers Hardness
Properties of T..
⊕
▶
▼
481.00 MPa
Rank:
23
(Overall)
▶
1,760.00 MPa
Rank:
3
(Overall)
▶
▲
Properties of Palladium
⊕
▶
820
(Properties of..)
◀
▶
ADD ⊕
9 Optical Properties
9.1 Refractive Index
Properties of P..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Mercury
⊕
▶
1.7229
(Properties of..)
◀
▶
ADD ⊕
9.2 Reflectivity
Properties of S..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
78.00 %
Rank:
6
(Overall)
▶
▲
Properties of Molybdenum
⊕
▶
78
(Properties of..)
◀
▶
ADD ⊕
12 Speed of Sound
Properties of T..
⊕
▶
▼
2,760.00 m/s
Rank:
30
(Overall)
▶
4,825.00 m/s
Rank:
13
(Overall)
▶
▲
Properties of Thallium
⊕
▶
3800
(Properties of..)
◀
▶
ADD ⊕
2 Allotropes
✔
✘
No
Lanthanide Series Metals
has it !
✔
✘
6%
Transition Metals Metals
have it !
2.1 α Allotropes
Not Available
Not Available
2.2 β Allotropes
Not Available
Not Available
2.3 γ Allotropes
Not Available
Not Available
3 Chemical
1 Chemical Formula
Ho
Ir
2 Isotopes
2.1 Known Isotopes
Properties of P..
⊕
▶
▼
34
Rank:
5
(Overall)
▶
34
Rank:
5
(Overall)
▶
▲
Properties of Tennessine
⊕
▶
23
(Properties of..)
◀
▶
ADD ⊕
3 Electronegativity
3.1 Pauling Electronegativity
Properties of G..
⊕
▶
▼
1.23
Rank:
37
(Overall)
▶
2.20
Rank:
4
(Overall)
▶
▲
Properties of Francium
⊕
▶
1.54
(Properties of..)
◀
▶
ADD ⊕
4.1 Sanderson Electronegativity
Properties of C..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Cesium
⊕
▶
1.49
(Properties of..)
◀
▶
ADD ⊕
5.1 Allred Rochow Electronegativity
Properties of G..
⊕
▶
▼
1.10
Rank:
30
(Overall)
▶
1.55
Rank:
11
(Overall)
▶
▲
Properties of Cesium
⊕
▶
1.3
(Properties of..)
◀
▶
ADD ⊕
6.2 Mulliken-Jaffe Electronegativity
Properties of P..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Cesium
⊕
▶
1.47
(Properties of..)
◀
▶
ADD ⊕
6.4 Allen Electronegativity
Properties of B..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
1.68
Rank:
17
(Overall)
▶
▲
Properties of Cesium
⊕
▶
1.51
(Properties of..)
◀
▶
ADD ⊕
7 Electropositivity
7.1 Pauling Electropositivity
Properties of F..
⊕
▶
▼
2.77
Rank:
17
(Overall)
▶
1.80
Rank:
49
(Overall)
▶
▲
Properties of Gold
⊕
▶
2.5
(Properties of..)
◀
▶
ADD ⊕
9 Ionization Energies
9.1 1st Energy Level
Properties of C..
⊕
▶
▼
581.00 kJ/mol
Rank:
62
(Overall)
▶
880.00 kJ/mol
Rank:
9
(Overall)
▶
▲
Properties of Cesium
⊕
▶
955.2
(Properties of..)
◀
▶
ADD ⊕
9.3 2nd Energy Level
Properties of C..
⊕
▶
▼
1,140.00 kJ/mol
Rank:
70
(Overall)
▶
1,600.00 kJ/mol
Rank:
35
(Overall)
▶
▲
Properties of Ruthenium
⊕
▶
1957.9
(Properties of..)
◀
▶
ADD ⊕
9.5 3rd Energy Level
Properties of C..
⊕
▶
▼
2,204.00 kJ/mol
Rank:
63
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Osmium
⊕
▶
3555
(Properties of..)
◀
▶
ADD ⊕
10 Electrochemical Equivalent
Properties of F..
⊕
▶
▼
2.02 g/amp-hr
Rank:
29
(Overall)
▶
1.14 g/amp-hr
Rank:
54
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
2.0802
(Properties of..)
◀
▶
ADD ⊕
12 Electron Work Function
Properties of P..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
4.55 eV
Rank:
13
(Overall)
▶
▲
Properties of Cesium
⊕
▶
4.05
(Properties of..)
◀
▶
ADD ⊕
2 Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Flammable, Ionization, Radioactive Isotopes, Radioactivity
5 Mechanical
1 Density
1.1 Density At Room Temperature
Properties of H..
⊕
▶
▼
8.79 g/cm
3
Rank:
46
(Overall)
▶
22.56 g/cm
3
Rank:
10
(Overall)
▶
▲
Properties of Lithium
⊕
▶
11.724
(Properties of..)
◀
▶
ADD ⊕
1.4 Density When Liquid (at m.p.)
Properties of O..
⊕
▶
▼
8.34 g/cm3
Rank:
26
(Overall)
▶
19.00 g/cm3
Rank:
3
(Overall)
▶
▲
Properties of Lithium
⊕
▶
8.34
(Properties of..)
◀
▶
ADD ⊕
2 Vapor Pressure
2.1 Vapor Pressure at 1000 K
Properties of S..
⊕
▶
▼
0.00 (Pa)
Rank:
16
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Cerium
⊕
▶
16.9
(Properties of..)
◀
▶
ADD ⊕
2.2 Vapor Pressure at 2000 K
Properties of C..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
0.00 (Pa)
Rank:
25
(Overall)
▶
▲
Properties of Tungsten
⊕
▶
36.8
(Properties of..)
◀
▶
ADD ⊕
4 Tensile Strength
Properties of I..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
2,000.00 MPa
Rank:
2
(Overall)
▶
▲
Properties of Indium
⊕
▶
951
(Properties of..)
◀
▶
ADD ⊕
5 Viscosity
Properties of M..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Mercury
⊕
▶
6 Elasticity properties
6.1 Shear Modulus
Properties of O..
⊕
▶
▼
26.30 GPa
Rank:
28
(Overall)
▶
210.00 GPa
Rank:
2
(Overall)
▶
▲
Properties of Potassium
⊕
▶
61
(Properties of..)
◀
▶
ADD ⊕
6.3 Bulk Modulus
Properties of O..
⊕
▶
▼
40.20 GPa
Rank:
32
(Overall)
▶
320.00 GPa
Rank:
3
(Overall)
▶
▲
Properties of Cesium
⊕
▶
110
(Properties of..)
◀
▶
ADD ⊕
1.1 Young's Modulus
Properties of I..
⊕
▶
▼
64.80 GPa
Rank:
31
(Overall)
▶
528.00 GPa
Rank:
1
(Overall)
▶
▲
Properties of Cesium
⊕
▶
116
(Properties of..)
◀
▶
ADD ⊕
3 Poisson Ratio
Properties of G..
⊕
▶
▼
0.23
Rank:
29
(Overall)
▶
0.26
Rank:
22
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
0.3
(Properties of..)
◀
▶
ADD ⊕
4 Other Mechanical Properties
Ductile, Malleable, Sectile
NA
7 Periodic Table
1 Symbol
Ho
Ir
2 Group Number
Properties of T..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
9
Rank:
9
(Overall)
▶
▲
Properties of Gadolinium
⊕
▶
8
(Properties of..)
◀
▶
ADD ⊕
4 Period Number
Properties of U..
⊕
▶
▼
6
Rank:
2
(Overall)
▶
6
Rank:
2
(Overall)
▶
▲
Properties of Lithium
⊕
▶
6
(Properties of..)
◀
▶
ADD ⊕
6 Block
f block
d block
7 Element Family
Lanthanide
Transition Metal
8 Atomic
1 Atomic Number
Properties of T..
⊕
▶
▼
67
Rank:
49
(Overall)
▶
77
Rank:
39
(Overall)
▶
▲
Properties of Lithium
⊕
▶
67
(Properties of..)
◀
▶
ADD ⊕
3 Atomic Weight
Properties of T..
⊕
▶
▼
164.93 amu
Rank:
44
(Overall)
▶
192.22 amu
Rank:
34
(Overall)
▶
▲
Properties of Lithium
⊕
▶
164.93033
(Properties of..)
◀
▶
ADD ⊕
5 Atomic Volume
Properties of C..
⊕
▶
▼
18.70 cm3/mol
Rank:
24
(Overall)
▶
9.53 cm3/mol
Rank:
50
(Overall)
▶
▲
Properties of Manganese
⊕
▶
17.78
(Properties of..)
◀
▶
ADD ⊕
6 Electron Configuration
[Xe] 4f
11
6s
2
[Xe] 4f
14
5d
7
6s
2
7 Valence Electron Potential
Properties of P..
⊕
▶
▼
47.90 (-eV)
Rank:
31
(Overall)
▶
140.00 (-eV)
Rank:
5
(Overall)
▶
▲
Properties of Francium
⊕
▶
67
(Properties of..)
◀
▶
ADD ⊕
8 Atom
8.1 Number of Protons
Properties of T..
⊕
▶
▼
67
Rank:
48
(Overall)
▶
74
Rank:
41
(Overall)
▶
▲
Properties of Lithium
⊕
▶
67
(Properties of..)
◀
▶
ADD ⊕
9.1 Number of Neutrons
Properties of F..
⊕
▶
▼
98
Rank:
34
(Overall)
▶
110
Rank:
27
(Overall)
▶
▲
Properties of Lithium
⊕
▶
98
(Properties of..)
◀
▶
ADD ⊕
9.2 Number of Electrons
Properties of T..
⊕
▶
▼
67
Rank:
48
(Overall)
▶
74
Rank:
41
(Overall)
▶
▲
Properties of Lithium
⊕
▶
67
(Properties of..)
◀
▶
ADD ⊕
10 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
10.1 Crystal Lattice
11 Radius of an Atom
11.1 Atomic Radius
Properties of C..
⊕
▶
▼
176.00 pm
Rank:
18
(Overall)
▶
136.00 pm
Rank:
41
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
162
(Properties of..)
◀
▶
ADD ⊕
11.2 Covalent Radius
Properties of F..
⊕
▶
▼
192.00 pm
Rank:
17
(Overall)
▶
141.00 pm
Rank:
43
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
166
(Properties of..)
◀
▶
ADD ⊕
11.3 Van der Waals Radius
Properties of F..
⊕
▶
▼
216.00 pm
Rank:
24
(Overall)
▶
202.00 pm
Rank:
27
(Overall)
▶
▲
Properties of Zinc
⊕
▶
216
(Properties of..)
◀
▶
ADD ⊕
12 Lattice Constant
Properties of M..
⊕
▶
▼
357.73 pm
Rank:
38
(Overall)
▶
383.90 pm
Rank:
26
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
404.95
(Properties of..)
◀
▶
ADD ⊕
13 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
14 Lattice C/A Ratio
Properties of C..
⊕
▶
▼
1.57
Rank:
17
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
1.604
(Properties of..)
◀
▶
ADD ⊕
15 Adjacent Atomic Numbers
15.1 Next Element
15.2 Previous Element
9 Magnetic
1 Electrical Properties
1.1 Resistivity
Properties of M..
⊕
▶
▼
814.00 nΩ·m
Rank:
4
(Overall)
▶
47.10 nΩ·m
Rank:
44
(Overall)
▶
▲
Properties of Thallium
⊕
▶
193
(Properties of..)
◀
▶
ADD ⊕
1.2 Electrical Conductivity
Properties of S..
⊕
▶
▼
0.01 10
6
/cm Ω
Rank:
52
(Overall)
▶
0.19 10
6
/cm Ω
Rank:
10
(Overall)
▶
▲
Properties of Plutonium
⊕
▶
0.0993
(Properties of..)
◀
▶
ADD ⊕
1.3 Electron Affinity
Properties of G..
⊕
▶
▼
50.00 kJ/mol
Rank:
21
(Overall)
▶
151.00 kJ/mol
Rank:
4
(Overall)
▶
▲
Properties of Mercury
⊕
▶
59.6
(Properties of..)
◀
▶
ADD ⊕
1.4 Electrical Property
Conductor
Conductor
2 Magnetic Characteristics
2.1 Specific Gravity
Properties of C..
⊕
▶
▼
8.80
Rank:
35
(Overall)
▶
21.78
Rank:
3
(Overall)
▶
▲
Properties of Lithium
⊕
▶
4500
(Properties of..)
◀
▶
ADD ⊕
2.2 Magnetic Ordering
Paramagnetic
Paramagnetic
2.3 Permeability
Properties of I..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Bismuth
⊕
▶
0.0063
(Properties of..)
◀
▶
ADD ⊕
2.4 Susceptibility
Properties of I..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Bismuth
⊕
▶
200000
(Properties of..)
◀
▶
ADD ⊕
10 Thermal
1 Specific Heat
Properties of L..
⊕
▶
▼
0.16 J/(kg K)
Rank:
35
(Overall)
▶
0.13 J/(kg K)
Rank:
39
(Overall)
▶
▲
Properties of Americium
⊕
▶
0.363
(Properties of..)
◀
▶
ADD ⊕
2 Thermal Conductivity
Properties of S..
⊕
▶
▼
16.20 W/m·K
Rank:
52
(Overall)
▶
147.00 W/m·K
Rank:
10
(Overall)
▶
▲
Properties of Neptunium
⊕
▶
71.6
(Properties of..)
◀
▶
ADD ⊕
3 Critical Temperature
Properties of L..
⊕
▶
▼
Not Available
Rank:
N/A
(Overall)
▶
Not Available
Rank:
N/A
(Overall)
▶
▲
Properties of Ytterbium
⊕
▶
2093
(Properties of..)
◀
▶
ADD ⊕
4 Molar Heat Capacity
Properties of A..
⊕
▶
▼
27.15 J/mol·K
Rank:
19
(Overall)
▶
25.10 J/mol·K
Rank:
43
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
27.11
(Properties of..)
◀
▶
ADD ⊕
5 Thermal Expansion
Properties of C..
⊕
▶
▼
11.20 µm/(m·K)
Rank:
35
(Overall)
▶
6.40 µm/(m·K)
Rank:
51
(Overall)
▶
▲
Properties of Tungsten
⊕
▶
20.6
(Properties of..)
◀
▶
ADD ⊕
6 Standard Molar Entropy
Properties of P..
⊕
▶
▼
75.30 J/mol.K
Rank:
8
(Overall)
▶
35.50 J/mol.K
Rank:
43
(Overall)
▶
▲
Properties of Beryllium
⊕
▶
55
(Properties of..)
◀
▶
ADD ⊕
7 Enthalpy
7.1 Enthalpy of Vaporization
Properties of T..
⊕
▶
▼
241.00 kJ/mol
Rank:
38
(Overall)
▶
799.10 kJ/mol
Rank:
1
(Overall)
▶
▲
Properties of Zinc
⊕
▶
330.9
(Properties of..)
◀
▶
ADD ⊕
7.2 Enthalpy of Fusion
Properties of T..
⊕
▶
▼
11.76 kJ/mol
Rank:
29
(Overall)
▶
35.23 kJ/mol
Rank:
1
(Overall)
▶
▲
Properties of Cesium
⊕
▶
14.1
(Properties of..)
◀
▶
ADD ⊕
7.3 Enthalpy of Atomization
Properties of T..
⊕
▶
▼
301.00 kJ/mol
Rank:
36
(Overall)
▶
837.00 kJ/mol
Rank:
1
(Overall)
▶
▲
Properties of Mercury
⊕
▶
360
(Properties of..)
◀
▶
ADD ⊕
Compare Lanthanide Series
» More
Holmium vs Erbium
Holmium vs Cerium
Holmium vs Samarium
» More
More Compare Lanthanide Series
Lanthanide Metals
» More
Lutetium
Praseodymium
Neodymium
Gadolinium
Erbium
Cerium
» More
More Lanthanide Met...
Lanthanide Metals
»More
Samarium
Periodi...
|
Physical
|
Chemical
|
Mechanical
Lanthanum
Periodi...
|
Physical
|
Chemical
|
Mechanical
Europium
Periodi...
|
Physical
|
Chemical
|
Mechanical
» More Lanthanide Metals
Compare Lanthanide Series
»More
Iridium vs Neodymium
Periodi...
|
Physical
|
Chemical
|
Mechanical
Iridium vs Praseodymium
Periodi...
|
Physical
|
Chemical
|
Mechanical
Iridium vs Gadolinium
Periodi...
|
Physical
|
Chemical
|
Mechanical
» More Compare Lanthanide Series