We elaborate the uses of Holmium and atomic properties with characteristics. Holmium is a silvery-white chemical element with atomic number 67. Its symbol is Ho and it belongs to the group of lanthanides and its normal state in nature is solid. Holmium is located at position 67 on the periodic table.
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On this page you can discover the chemical properties of holmium and information about holmium and other elements of the periodic table such as thorium, protactinium, neptunium or plutonium. You will also learn what holmium is for and you will know its uses through its properties associated with holmium such as its atomic number or the usual state in which holmium can be found.
You can see qualities of holmium such as its melting and boiling point, its magnetic properties or what its chemical symbol is. Also, here you will find information on its atomic properties such as the distribution of electrons in holmium atoms and other properties.
For some elements, part of this information is unknown. In these cases we show the properties attributed to them.
Holmium properties
Holmium is part of the group of lanthanides. Lanthanides are also called rare earths since they are commonly presented as oxides. Together with the actinides, the lanthanides form the internal transition elements.
The state of holmium in its natural form is solid. Holmium is a silvery-white chemical element and belongs to the group of lanthanides. The atomic number for holmium is 67. The chemical symbol for holmium is Ho. Holmium’s melting point is 1743 degrees Kelvin or 1470.85 degrees Celsius or degrees Celsius. The boiling point of holmium is 2968 degrees Kelvin or 2695.85 degrees Celsius or degrees Centigrade.
Atomic Properties of Holmium
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. Regarding its position within the periodic table of elements, it can be found in period 6. Holmium has an atomic mass of 164.9303 u.
The electron configuration of holmium is [Xe] 6s24f11. 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 holmium is 247 pm and its covalent radius is 158 pm. Holmium has a total of 67 electrons whose distribution is as follows: In the first shell it has 2 electrons, in the second it has 8 electrons, in its third shell it has 18 electrons, in the fourth, 29 electrons, in the fifth shell it has 8 electrons and in the sixth, 2 electrons.
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Holmium characteristics
Below you can see a table that shows the main characteristics of holmium.
| Holmium | ||
|---|---|---|
| Chemical symbol | Ho | |
| Atomic number | 67 | |
| Period | 6 | |
| Appearance | silvery white | |
| Block | F | |
| Density | 8800 kg / m3 | |
| Atomic mass | 164.9303 u | |
| Medium radius | 247 pm | |
| Covalent radius | 158 pm | |
| Electronic configuration | [Xe] 6s24f11 | |
| Electrons per shell | 2, 8, 18, 29, 8, 2 | |
| Oxidation states | 3 | |
| Oxide | basic | |
| Crystal structure | hexagonal | |
| State | solid | |
| Melting point | 1743K | |
| Boiling point | 2968K | |
| Heat of fusion | 11.76 kJ / mol | |
| Electronegativity | 1.23 | |
| Specific heat | 160 J / (Kkg) | |
| Electric conductivity | 1.24106S / m | |
| Thermal conductivity | 16.2 W / (K m) | |
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