Chemical property
A chemical property is any of a material's properties that becomes evident during a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity. Si...
Making metallic hydrogen at Harvard
Nearly a century after it was theorized, Harvard scientists have succeeded in creating metallic hydrogen. In addition to helping scientists answer fundamenta...
Dragon's Breath behaves strangely on water
This is lycopodium powder. It's the spores of club moss and it has amazing properties
Dietary Mineral Magnesium May Help Lower Blood Pressure
Researchers have found a link between intake of magnesium supplement and healthy reduction in blood pressure. Experts, however, said that the recommended amount of the dietary mineral may be obtained ...
Is Black Phosphorous The Next Big Thing In Materials?
A new experimental revelation about black phosphorus nanoribbons should facilitate the future application of this highly promising material to electronic, optoelectronic and thermoelectric devices. A ...
Here Are 10 Of The Deadliest Minerals On The Entire Planet
These minerals can be found all around the world, most of which are used in a variety of different everyday products…. and oh yeah…. They’re also some of the most toxic materials known to science! Che...
Flawless diamond sells for $22.1m in New York
A flawless 100-carat diamond sells for $22.1m (£14.8m) at Sotheby's auction house in New York.
Sprayable Foam That Slows Bleeding Could Save Lives
Traumatic injuries, whether from serious car accidents, street violence or military combat, can lead to significant blood loss and death. But using a material derived from crustacean shells, scientist...
Incredible images of vapour trails and sonic booms created by planes in the sky
Areas of low pressure form around the edge of the wing, creating vortices - tubes of circulating air - that leave spectacular trails of air behind the wing's tips.
Pee On These Walls And They'll Pee On You
St. Pauli's Community of Interest initiated an action where frequented walls in the neighborhood were sprayed with a super-hydrophobic coating. This coating is so water-repellent that urine splashes r...
Properties of Matter - Physical and Chemical Properties
This is an introductory video showing what properties of matter are. There are two different types of properties which are physical and chemical properties. ...
Physical & Chemical Properties - YouTube
Flammability Reactivity Malleability Viscosity Ductility Acidity Melting point Boiling point Solubility Phase of matter shape of matter.
Atomic mass
The atomic mass (ma) is the mass of an atomic particle, sub-atomic particle, or molecule. The protons and neutrons account for almost all of the mass of an atom. It is commonly expressed in unified at...
Atomic number
In chemistry and physics, the atomic number of a chemical element (also known as its proton number) is the number of protons found in the nucleus of an atom of that element, and therefore identical to...
Atomic number - Wikipedia
Electron affinity
In chemistry and atomic physics, the electron affinity of an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom or molecule in the gaseous state t...
Electronegativity
Electronegativity, symbol χ, is a chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself. An atom's electronegativity ...
Electronegativity - Wikipedia
Galvanic series
The galvanic series (or electropotential series) determines the nobility of metals and semi-metals. When two metals are submerged in an electrolyte, while also electrically connected by some external ...
Ionization energy
The ionization energy (IE) of an atom or molecule describes the minimum amount of energy required to remove an electron (to infinity) from the atom or molecule in the gaseous state.The term ionization...
Ionization energy - Wikipedia
Mass number
The mass number (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It determines the atomic mass of...
Molecular mass
Molecular mass or molecular weight refers to the mass of a molecule. It is calculated as the sum of the mass of each constituent atom multiplied by the number of atoms of that element in the molecular...
Proton affinity
The proton affinity, Epa, of an anion or of a neutral atom or molecule is a measure of its gas-phase basicity. It is the energy released in the following reactions:These reactions are always exergonic...
Reactivity (chemistry)
Reactivity in chemistry refers to The chemical reactivity of a single substance (reactant) covers its behaviour in which it: The chemical reactivity of a substance can refer to the variety of circumst...
Valence (chemistry)
In chemistry, the valence (or valency) of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. The concept of valence was developed in the las...
Valence (chemistry) - Wikipedia
Amount of substance
Amount of substance is a standards-defined quantity that measures the size of an ensemble of elementary entities, such as atoms, molecules, electrons, and other particles. It is sometimes referred to ...
Thermodynamic properties
Specific properties are expressed on a per mass basis; in some circumstances other dimensions could be used, such as per-mole.Regarding Work and Heat:Note that work and heat above are listed as proces...
Thermodynamic properties - Wikipedia