The properties of the alkaline earth metals group (2 A)
The alkaline earth elements are the metallic elements found in the second group of s-block after the group (1 A). They are located on the left side of the modern periodic table.
Tagged: Metallic elements
Metalloids and the difference between the positive ion and negative ion
The metalloids The metalloids are semi-metallic elements that have the properties of both metals and nonmetals, It is difficult to know the metalloids from their outermost electrons due to the difference in the numbers...