Planck’s Quantum Theory
What is Planck's quantum theory?
Planck's quantum theory was presented by Max Planck on December 14, 1900. According to Planck's quantum theory, an atom or...
Electron
What is an electron particle?
Electron, the lightest subatomic or elementary particle of atom carries a negative charge, −1.602176634 × 10−19 coulomb or −4.8 ×...
Quantum Number
What are quantum numbers?
Quantum numbers such as principal, azimuthal, magnetic, and spin quantum number are the identification number of an electron in an atom....
Atomic Theory
Atomic theory questions and answers (quiz)
Atomic theory questions or quiz set in online learning chemistry for school college students contains 9 questions and answers. These...
de Broglie Relation
de Broglie Hypothesis
de Broglie wavelength relation pointed out that just like photons of light, electron has also both particle and wave properties of matter....
Bohr Model
Bohr model of hydrogen atom
Bohr Model of hydrogen atom was adopted by Neils Bohr in 1913 for the explanation of the Rutherford model and the...
Elementary Particles
What are elementary particles?
Elementary particles or subatomic particles like electrons, protons, and neutrons in physics or chemistry were discovered by Scientists Thomson, Golstine, and...
Rutherford Model
Rutherford model of an atom
Rutherford model or nuclear planetary model of an atom in chemistry or physics describes by New Zealand born physicist Ernest...
Electron Configuration
Electronic configuration of elements in periodic table
Electronic configuration or general electron configuration or electronic structure of atoms or ions is the arrangement of orbital...