Lutetium is a chemical element with the symbol Lu and atomic number of 71. It has a period of 6 and belongs in the Lanthanide group.
Lanthanum and lutetium: lantanides group Actinium and lawrentium: actinides group
If you think to the electron configuration of lutetium this is: [Xe]4f14.5d1.6s2.
For most practical purposes, lutetium can be regarded as stable, though it is slightly radioactive. 97.41% of lutetium found in nature is stable, and 2.59% is of an isotope with a half life of 37,800,000,000 years. Like all other elements, lutetium has synthetic radioactive isotopes.
Lutetium is a rare earth metal that is silvery-white in appearance. It has a relatively high melting point and is highly dense. Lutetium is relatively stable in air and water, but can react with other elements to form compounds. It also exhibits strong paramagnetic properties.
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Lutetium is classified under Group 3, an element under Lanthanides.
Lanthanum and lutetium: lantanides group Actinium and lawrentium: actinides group
Lanthanum and lutetium are members of the lanthanoids family.Actinium and lawrencium are members of the actinoids family.
Barium, since lutetium is also a metal. (At the next-to-rightmost column of this period is iodine, which may be as reactive as barium but is a nonmetal.)
The coast for Lutetium is south
Lutetium is an chemical element in the periodic table, symbol Lu, atomic number 71. It is a silvery-white metal and the first of the sixth-period transition metals.
lutetium is a solid
Lutetium is used in PET scanners
Cesium, since barium and lutetium are also metals.
Lutetium is found in the nature as a phosphate; lutetium is a scarce and expensive element.
Lutetium has the oxidation state +3.
Lutetium costs 42 USD for a 5 gram ingot.