CBSE Class 12th Chemistry Examination 2020 will be held on 7th March 2020. For the ease of students, we have provided important questions and answers for chapter d & f block elements. The students ...

• In d-block, each horizontal row consists of ten elements as d-subshell can accommodate a maximum of 10 electrons. • The d-block elements having incompletely filled d-subshell are called transition ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

Although metal–metal bonding is important in the chemistry of both solid-state intermetallic compounds and molecular species, the study of this bonding is limited by the compounds available and it is ...