Energy, the potential for doing work in physics. It can occur in various possible ways, including kinetic, thermal, electrical, chemical,... View Article
The band gap is a useful predictor of the light wavelength that the material can absorb. Due to lower energy requirements for the transition of... View Article
Resonance is created by a periodic force driving a harmonic oscillator at its natural frequency. It is said that the device resonates. The less... View Article
The elements in group 7 are called halogens. In the periodic table, they are put in the vertical column, second from the right. The three common... View Article
An aluminium atom has an atomic number of 13 and a mass of 27. The number of protons in an atom's nucleus is the atomic number. The identity of... View Article
Fusion is the mechanism by which active stars are powered, releasing vast amounts of energy. The basis of the energy produced in the fusion of... View Article
In organic chemistry, molecules on either side of the functional group (i.e., -O-,-S-, -NH-, -C(=O)-, esters, amides, etc.) with the same... View Article
Polyvinyl Chloride is a “thermoplastic”. Polyvinyl Chloride (PVC or Vinyl) is a high strength thermoplastic material widely used in applications,... View Article
Nucleophiles are based on Lewis. It is called a Brønsted nucleus, or simply, “base” when the nucleophile donates a pair of electrons to a proton.... View Article
Electric potential energy depends on the charge of the material feeling the electric field, and electric potential depends solely on the... View Article
It is a number indicating the potential of an atom or a group of atoms to combine with other atoms or groups of atoms. Valence is defined by the... View Article
The best reducing agent is lithium, with the maximum negative value of electrode potential. By convention, reduction potential, or the propensity... View Article
Activation energy The minimum quantity of energy needed in chemistry to activate atoms or molecules in a state in which they can undergo chemical... View Article
Oxidation numbers are used in the dynamic chemistry of coordination. They refer to the charge that the central atom would have if it were to... View Article
The bond length of carbon-carbon (C-C) in diamonds is 154 pm. The average length of a single carbon-carbon bond is commonly considered, but it is... View Article
Enthalpy, the sum of the internal energy and the output of a thermodynamic system's pressure and length. In the symbols, the enthalpy, H, is... View Article
By orienting the reacting particles in such a way that efficient collisions are more possible, a catalyst may minimise the activation energy for... View Article
The actinide element, also known as the actinide element, is one of a sequence of 15 successive chemical elements from actinium to lawrencium in... View Article
Ammonia is a foundation since the water accepts hydrogen ions. The ammonium ion is the conjugate acid - this hydrogen ion should be produced... View Article
Superconductors are materials where, without any resistance, electrons can pass. But once they are cooled to far below room temperature, today's... View Article