Metals
Ytterbium oxide is any oxide of ytterbium, but especially the colourless solid Yb2O3.
ytterbium man made
The atomic mass of ytterbium is approximately 173.04 amu (atomic mass units).
Ytterbium, with the chemical symbol Yb, is the chemical element with the atomic number 70.
Ytterbium is a naturally occuring rare earth element. However, an isotope of Ytterbium (Ytterbium-169) is an artificially produced isotope.
Holmium's abreviation is Ho
Holmium is a rare earth metal.
Ytterbium oxide is any oxide of ytterbium, but especially the colourless solid Yb2O3.
Lithium is an element, however "Holmium" is not you may be mistaking Holmium for Helium though
Holmium's atomic mass is 164.93032.
The symbol for holmium on the periodic table is: Ho
Holmium is in the lanthanoid series.
ytterbium man made
Lithium,Beryllium,Rubidium,Yttrium,Ruthenium,Rhodium,Silver,Antimony,Tellurium,Thallium,Mercury,Osmium,Barium,Cesium,Lanthanum,Cerium,Praseodymium,NeoDyMium,Samarium,Europium,Gadolinium,Terbium,Dysprosium,Holmium,Erbium,Thulium,Ytterbium,Lutetium.
Holmium (67 on the Periodic Table) is a shiny metallic silver colour.
The atomic mass of ytterbium is approximately 173.04 amu (atomic mass units).
Yes holmium has a low level of acute toxicity.