Cargando...
Public community
What can I do?
Find
The periodic table of the elements is the way proposed by Dmitri Mendeléyev in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Add to Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...
