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Iridium-Anti
Iridium
Iridium was named the Latin word for iris, iridis (rainbow)
Iridium (Ir) Properties |
AIridium (AIr)
Properties 1/ |
Nuclear (77 protons/electrons)
- Atomic Number: 77
- Atomic Mass: 192.217
- Atomic Energy: 0.287 Ergs
- Group: 9; Period: 6
- Family: Transition
Metals
- Bonding Radius: 1.27 Angstroms
- Atomic Radius: 1.87 Angstroms
- Atomic Volume: 8.54 cm3mol-1
- 35 Isotopes:
165Ir to 199Ir
- Stable Isotopes: 191Ir,
193Ir
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Nuclear (77 Aprotonss/positrons)
- Atomic Number: 77
- Atomic Mass: 192.217
- Atomic Energy: 0.287 Ergs
- Group: 9; Period: 6
- Family: Transition
Metals
- Bonding Radius: 1.27 Angstroms
- Atomic Radius: 1.87 Angstroms
- Atomic Volume: 8.54 cm3mol-1
- 35 AIsotopes: 165AIr
to 199AIr
- Stable AIsotopes: 191AIr,
193AIr
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Physical
- Heavy brittle white metal
- Density: 22.4 g cm-3
- Melting Point: 2,410 oC
- Boiling Point: 4,527 oC
- Specific Heat: 0.13 J g-1 K-1
- Heat of Vaporization: 604 kJ mol-1
- Heat of Fusion: 26.1 kJ mol-1
- Electrical Conductivity: 0.197 106 cm-1 Ohm-1
- Thermal Conductivity: 1.47 W cm-1 K-1
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Physical
- Heavy brittle white metal
- Density: 22.4 g/cm-3
- Melting Point: 2,410 oC
- Boiling Point: 4,527 oC
- Specific Heat: 0.13 J g-1 K-1
- Heat of Vaporization: 604 kJ mol-1
- Heat of Fusion: 26.1 kJ mol-1
- Electrical Conductivity: 0.197 106 cm-1 Ohm-1
- Thermal Conductivity: 1.47 W cm-1 K-1
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Chemical
- Valance Number: +3,+4
- Electron Configuration: 2,8,18,32,15,2
- Electronegativity: 2.2
- 1st Ionization Potential: 9.1 Volts
- 2nd Ionization Potential: ? Volts
- 3rd Ionization Potential: ? Volts
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Chemical
- Valance Number: -3,-4
- Positron Configuration: 2,8,18,32,15,2
- Positronpositivity: 2.2
- 1st Ionization Potential: 9.1 Volts
- 2nd Ionization Potential: ? Volts
- 3rd Ionization Potential: Volts
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Identified
by S. Tenant, A. F. Fourcory,
L. N. Vauquelin, and H. V. Collet-Descoltils
England and France in 1804
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Identified by Norm Hansen in 2001
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1/ Superscript
A
before the element/symbol indicates the
element is antimatter.
191AIr
is an AntiIridium element with an atomic mass of 191.
See Rosetta Stone for Matter &
Antimatter Definitions |
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