The alkali metals are located on the left side of the modern periodic table in the group (1) or (1 A). They are the first group of s-block, The alkali metals are mono-valent elements...
The species A species is a group of more similar living organisms in the shape that can reproduce to give birth of new fertile individuals which are able to reproduce and keep the existence...
Mammals are classified according to the kind and the number of teeth into the edentates mammals (The teethless mammals), and the mammals having teeth. This classification not only helps in identifying different species but...
The modern periodic table is a systematic arrangement of elements based on their atomic number, which reveals clear patterns in their physical and chemical properties. One of the most important trends observed in this...
