Class 12

The term allotropy comes from the Ancient Greek word where ‘allos’ means ‘other’ and ‘tropos’ represents ‘manner or form’. It refers to the property of chemical elements to exist in variable to different forms in a similar physical state. Allotropes refer to different structural changes in an element i.e. the atoms of an element are […]

In the periodic table, the placement of a certain element usually decides its chemical resemblance towards the other elements around it. There are multiple classifications of the periodic table, such as alkaline metals which occupy periods 1 and 2,  metals which occupy periods 3 to 12 and nonmetals that occupy periods 13 to 18. Within