Together with the actinides, the lanthanides form the internal transition elements. Holmium is a silvery-white chemical element and belongs to the group of lanthanides.

The following values refer to neutral heterodiatomic molecules in the gas phase.

Holmium Carbonate is a water insoluble Holmium source that can easily be converted to other Holmium compounds, such as the oxide by heating (calcination).Carbonate compounds also give off carbon dioxide when treated with dilute acids. Holmium is a moderately hard, silvery white metal that is relatively stable in air.

The chemical symbol for holmium is Ho.

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

The mean radius of holmium is 247 pm and its covalent radius is 158 pm. Holmium (Ho), chemical element, a rare-earth metal of the lanthanide series of the periodic table. Holmium is one of the least abundant rare earths; its abundance in Earth’s crust is comparable to that of thallium.

Only one allotropic (structural) form is known for holmium.

Your email address will not be published. Holmium has a melting point of 1,470°C (2,680°F) and a boiling point of 2,720°C (4,930°F). It has about one natural isotope and out of its synthetic isotopes,  one is holmium-163 and it has a half-life of about 4570 years.

Holmium also has some rather unusual magnetic and electrical properties. Its density is 8.803 grams per cubic centimeter.

A channel is created within the prostatic fossa to relieve the patient of symptoms of BOO secondary to BPH.

Holmium is paramagnetic at ambient conditions, but is ferromagnetic at temperatures below 19 K. Chemical properties. The atomic number for holmium is 67. Your email address will not be published. Holmium metal tarnishes slowly in air and burns readily to form holmium(III) oxide: 4 Ho + 3 O 2 → 2 Ho 2 O 3.

Holmium Carbonate is generally immediately available in most volumes. Required fields are marked *.

Articles from Britannica Encyclopedias for elementary and high school students.

Cleve named the element for his native city of Stockholm, its Latinized name being Holmia. The electron configuration of holmium is [Xe] 6s24f11. It forms a series of yellow-brown salts, many of which are obtained in solution by dissolving the oxide Ho2O3 in the appropriate acid. Your email address will not be published. We elaborate the uses of Holmium and atomic properties with characteristics.
Holmium is a very strong paramagnet above 133 K (−140 °C, or −220 °F). It readily reacts with diluted acids but does not react with either diluted or concentrated hydrofluoric acid (HF), due to formation of a protective surface layer of HoF3. Holmium properties. Get exclusive access to content from our 1768 First Edition with your subscription. The state of holmium in its natural form is solid.

Holmium is quite electropositive and is generally trivalent. For some elements, part of this information is unknown. 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.

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