Search Results for: atomic
Unified atomic mass unit
Unified Atomic Mass Unit Definition The Unified Atomic Mass Unit (u) (or simply atomic mass unit) refers to the 1/12... Read More
Atomic weight
Atomic weight (Science: chemistry) The average weight of an atom of an element, i.e. The total mass of protons and neutrons... Read More
Atomic mass
Atomic mass (Science: chemistry, physics) The mass of an atom relative to other atoms. The present-day basis of the scale of... Read More
Chemical Composition of the Body
In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More
Molecular weight ratio
molecular weight ratio --> molecular weight The sum of the atomic weight's of all the atoms constituting a molecule; the... Read More
Absorption
Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More
Activation
Definition noun (general) The state or the process of being active and/or effective (biochemistry) The process of making a... Read More
Desolvation
Definition noun The removal or dissociation of the solvent component from the particle as a method of drying a sample or... Read More
Photolysis
Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More
Chlorosome
Chlorosome is a photosynthetic micro-compartment that serves as a light-harvesting complex in sulfur bacteria and other... Read More
Beer-Lambert law
Definition noun The principal law in spectrometry in which it states that the absorbance at a given wavelength of light is... Read More
Redox reaction
Redox Reaction Definition What are redox reactions? This is a common term in chemistry and biology. In chemistry, a redox... Read More
Iodine test
Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More
Molecular mass
'''molecular mass The molecular mass of a substance (less accurately called molecular weight and abbreviated as MW) is the... Read More
photobiology
Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More
photomedicine
Photomedicine Definition Photomedicine is a branch of medicine that specializes in the therapeutic application of light. As... Read More
Valence electron
What are valence electrons? Why are they significant? Valence electrons definition in chemistry: The electrons in an atom's... Read More
First-order kinetics
What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... Read More
Fluorescence
Definition noun The absorption and the immediate re-emission of light or photon, which has longer wavelength when re-emitted... Read More
Activation energy
Definition noun The amount of energy (in joules) needed to convert all the molecules in one mole of a reacting substance... Read More
Chlorophyll
Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More
Covalent bond
Covalent Bond Definition What is a covalent bond? In chemistry and other fundamental science fields, a covalent bond is... Read More