Concepts

Speed

Rate of distance covered with respect to time. [tabby title="Material"] [lyte id="UDILmPegL9k" \] Base Concepts: Motion Points to Remember About…

Motion

An object which changes its position with respect to time is in motion. This concept is the basic for three…

Valence Electrons

Electrons present in the outer most shell are called as Valence Electrons. They determine the chemical properties of the element.…

Periodicity

Recurrence of properties of elements after regular intervals based on the atomic numbers is called as periodicity. The modern periodic…

Modern Periodic Law

The modern periodic law states that physical and chemical properties of elements are periodic function of their atomic numbers. In…

Electron Gain Enthalpy

Electron Gain Enthalpy(EGE) is the energy released when electron is added to an isolated gaseous atom. [lyte id="4payRYZfWME" /] Factors…

Ionization Enthalpy

Ionization Enthalpy is the energy required to remove one electron from isolated gaseous atom in ground state. It is also…

Ionic Radius

Effective distance from the centre of the nucleus of the ion up-to which it has an influence in the bond.…

Vander Waals Radius

One half of the distance between nuclei of two neighboring molecules of the same element. When you bring two molecules of…

Metallic Radius

A metallic radius is the measurement of an atom's size with regards to metal elements only. One half of the distance…