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Bohr’s Atomic Theory
Who was Niels Bohr? Niels David Henrik Bohr was a physicist and Nobel Prize winner from Denmark who lived and researched from 1885 to 1962. During his lifetime, he worked with some influential researchers such as Heisenberg and Rutherford. One of their research results in the development of a model that makes statements about the…
X-Rays and Atomic Number
These rays, which are produced when rapidly moving electrons collide with the heavy metal anode in the discharge tube, is called X-rays. Explanation: Energy is released in the form of electromagnetic waves when the electrons are suddenly stopped. In the discharge tube, the electrons produced by a heated tungsten filament are accelerated by high voltage….
Wave-Particle Nature of Matter
According to the Planck’s Quantum theory of radiations light shows a dual character, i.e., it behaves both as a material particle and as a wave. This idea was extended to matter particles in 1924 by Louis de-Broglie. According to de-Broglie, all matter particles in motion have a dual character. It means that electrons, protons, neutron,…
Reactions Kinetics Quiz Online
Reaction Kinetics concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Reaction Kinetics quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT,…
