Star InactiveStar InactiveStar InactiveStar InactiveStar Inactive
 

Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

Latest Articles

  • Protein Design: Automated protein discovery and synthesis

    In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.

  • The most expensive metal in the world

    Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.

  • Ozone

    We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

  • Interesting facts about metals

    Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

  • Diamonds Are Forever

    Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?



Most Popular

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Band Theory of Metals

Theory that accounts for the bonding and properties of metallic solids.

Polyprotic Acid

An Acid that can form two or more hydronium ions per molecule, often a least one step of ionization is weak.

Ioniztion

The breaking up of a compound into separate ions.

Coordination Sphere

The metal ion and its coordinating ligands but not any uncoordinated counter-ions.

Coordination Number

In describing crystals, the number of nearest neighbours of an atom or ion. The number of donor atoms coordinated to a metal.

Copper

Discovered : known to ancient civilisations
Origin : The name is derived from 'Cuprum', the Latin name for Cyprus.

Avogadro's Law

At the same temperature and pressure, equal volumes of all gases contain the same number of molecules.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.