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Who Found Electron

Joseph John ('J.J.') Thomson carried out experiments with beams of negative particles in Britain, leading to his conclusion in 1897 that they... View Article

What Is Induced Emf

A current in the wire would be caused if a coil of wire is put in a shifting magnetic field. Therefore a shifting magnetic field in a coil of... View Article

What Is F Block Elements

In the periodic table, f-block chemical elements such as Cerium, Gadolinium, and Lutetium contain one 5D orbital electron with atomic numbers 58,... View Article

What Are Subshells

A shell is formed by orbitals which have the same value as the principal quantum number n. Inside a shell, orbitals are broken into subshells of... View Article

What Is Rotatory Motion

The revolving motion entails the actual rotation of a certain object that spins on its own axis. It implies that the direction in which the... View Article