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The first atomic particle to be discovered was the electron. Lets trace the events that led to its discove..

Electron Affinity - Electron affinity is the amount of energy released when an electron is added to an isolated gaseous ato..

Electron affinity is the amount of energy released when an electron is added to an isolated gaseous ato..

The distribution of electrons in different orbitals is known as its electronic configuration. This characterizes each electron in an atom. The electronic configuration is expressed by indicating the principal quantum number and its respective orbital al..

At zero K (absolute zero) electrons in covalent or ionic crystals (e.g., Si or NaCl) occupy the lowest energy level. Above zero K in pure silicon or germanium electrons are released thermally from the covalent bonds. This leads to the presence of free electrons and ..

Valence Electrons - The outermost shell of an atom is known as the valence shell. The electrons present in the valence shell are called valence electrons. K L M Na - 11 - 2 8 1 Valence shell - M Valence electrons - 1 Core electrons - 2 + 8 = ..

Electronic Configuration - The distribution of electrons in different orbitals is known as its electronic configuration. This characterizes each electron in an atom. The electronic configuration is expressed by indicating the principal quantum numbe..

The elements of this group have six electrons in the outermost shell and have the general electronic configuration as ns 2 np 4..

The outermost shell of an atom is known as the valence shell. The electrons present in the valence shell are called valence electrons. K L M Na - 11 - 2 8 1 Valence shell - M Valence electrons - 1 Core electrons - 2 + 8 = ..

It is a sophisticated form of microscope, which can provide a higher magnification of the object (up to 1,00,000 times or more). The electron microscope employs an electron beam emanating from a cathode, instead of light as in the compound microscope. It uses coils instead of le..