Iridium: Uses And Characteristics With Its Atomic Properties

We elaborate the uses of Iridium and atomic properties with characteristics. Iridium is a silvery-white chemical element with atomic number 77. Its symbol is Ir and it belongs to the group of transition metals and its normal state in nature is solid. Iridium is located at position 77 on the periodic table.

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On this page you can discover the chemical properties of iridium and information about iridium and other elements of the periodic table such as rhodium, meitnerium, osmium or platinum. You will also learn what iridium is for and you will know its uses through its properties associated with iridium such as its atomic number or the usual state in which iridium can be found.

You will be able to see qualities of iridium such as its melting and boiling point, its magnetic properties or what its chemical symbol is. Also, here you will find information about its atomic properties such as the distribution of electrons in iridium atoms and other properties.

For some elements, part of this information is unknown. In these cases we show the properties attributed to them.

Iridium properties

The transition metals, also called transition elements, is the group to which iridium belongs. In this group of chemical elements to which iridium belongs, are those located in the central part of the periodic table, specifically in block d. Among the characteristics that iridium has, as well as those of the rest of transition metals, is that of including in its electronic configuration the d orbital, partially filled with electrons. Properties of this type of metal, among which iridium is found, are its high hardness, having high boiling and melting points and being good conductors of electricity and heat.

The state of iridium in its natural form is solid. Iridium is a silvery-white chemical element and belongs to the group of transition metals. The atomic number of iridium is 77. The chemical symbol for iridium is Ir. The melting point of iridium is 2739 degrees Kelvin or 2466.85 degrees Celsius or degrees Centigrade. The boiling point of iridium is 4701 degrees Kelvin or 4428.85 degrees Celsius or degrees centigrade.

Atomic properties of iridium

The atomic mass of an element is determined by the total mass of neutrons and protons that can be found in a single atom belonging to this element. As for the position where to find iridium within the periodic table of elements, iridium is in group 9 and period 6. Iridium has an atomic mass of 192.217 u.

The electron configuration of iridium is [Xe] 4f14 5d7 6s2. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. The mean radius of iridium is 135 pm, its atomic radius or Bohr radius is 180 pm, and its covalent radius is 137 pm.

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Iridium characteristics

Below you can see a table that shows the main characteristics of iridium.

Chemical symbol Go
Atomic number 77
Group 9
Period 6
Appearance silvery white
Block d
Density 22560 kg / m3
Atomic mass 192,217 u
Medium radius 135 pm
Atomic radio 180
Covalent radius 137 pm
Electronic configuration [Xe] 4f14 5d7 6s2
Oxidation states 2, 3, 4, 6 (medium basicity)
Crystal structure face-centered cubic
State solid
Melting point 2739K
Boiling point 4701K
Heat of fusion 26.1 kJ / mol
Vapor pressure 1.47 Pa at 2716 K
Electronegativity 2.20 (Pauling)
Specific heat 130 J / (kg K)
Electric conductivity 19.7 × 106 m-1 Ω-1
Thermal conductivity 147 W / (m K)

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