Difference Between Metals Nonmetals and Metalloids
In my earlier post Elements and Compounds, we learned, that so far we have discovered total of 118 types of elements. Out of the 118 elements – 94 are metals, 17 are nonmetals and...
valence shell
Valency and Variable Valency | Valence Shell and Electrons
In chemistry, we frequently encounter terms like valency, variable valency, valence electrons, and valence shells. All of these terms explain with the atoms of other elements to form a molecule. Topics covered: Definition of...
