Atomic number 67 occurs as chemical element in the periodic table that has the symbol Ho & atomic number 67. Section of the lanthanide series, holmium occurs as comparatively easy & malleable silvery-silver-white metallic element, which is stable in dry air at room temperature. The rare earth metal, it is witnessed in the minerals monazite and gadolinite.

Notable characteristics
a trivalent metal uncommon globe element, atomic number 67 has the greatest magnetic moment (10.6µB) of any naturally-occurring element & possesses more unusual charismatic properties. Once combined using yttrium, it forms highly magnetic compounds.

Atomic number 67 occurs as comparatively easy & malleable element that is fairly corrosion-resistant & horse barn inside dry air at standard temperature and pressure. Within dampish air & at higher temperatures, however, it quickly oxidizes, forming a yellow oxide. Inside pure form, atomic number 67 possesses the metal, brilliantly silvery luster.

Applications
Because of its charismatic properties, atomic number 67 has been utilized to produce a strongest artificially-generated magnetic fields when situated inside high-nature and severity magnets as a magnetic pole piece (also known as the magnetic flux concentrator). Since it potty sop up nuclear fission-bred neutrons, the element is as well utilized inside nuclear control rods. More commercial applications of the element include;

its super high magnetic moment is suitable for utilise around yttrium-iron-garnet (YIG) and yttrium-lanthanum-fluoride (YLF) solid state lasers found in microwave equipment (which are successively observed within the kind of medical & dental settings).

Holmium oxide is utilized as a yellow glass coloring.

Couple of more utilizes own been identified for this element.

History
Atomic number 67 (Holmia, Latin name for Stockholm) was discovered by Marc Delafontaine and Jacques Louis Soret in 1878 who noticed a deviant spectrographic absorption bands of the then-unknown element (it known as it "Element X"). Late around 1878, Per Teodor Cleve independently discovered a element when he was working in erbia earth (erbium oxide).

Using the method developed by Carl Gustaf Mosander, Cleve first flushed a lot of the known contamination from either erbia. A effect of that effort was 2 recently materials, a single dark brown & 1 green. He known as a light brown substance holmia (when a Latin title for Cleve's page town, Stockholm) & a green of these thulia. Holmia was late detected to exist as a holmium oxide and thulia was thulium oxide.

Occurrence
Such as wholly more uncommon earths, ho is non naturally witnessed as a loose element. It does occur conjunct by having more elements in the minerals gadolinite, monazite, and inside more uncommon-globe minerals. These are commercially extracted via ion-exchange from monazite sand (0.05% atomic number 67) however is however hard to separate from either more uncommon earths. A element has been isolated through the reduction of its anhydrous chloride or fluoride with metallic calcium. Its guessed abundance in the Earth's crust is 1.Trio milligrams by the kg.

Isotopes
Natural holmium contains one stable isotope, holmium 165. the bit of synthetic radioactive isotopes come known, a virtually all stable 1 is atomic number 67 163, using a half life of 4570 years. Wholly more radioisotopes develop half endures non greater than I.117 years, & virtually all develop half passes under Deuce-ace hours.

Precautions
A element, when by using more uncommon earths, appears to have a moo intense toxic rating. Atomic number 67 plays there are no biological role around humans but can be suspire to cause metabolism.