Star InactiveStar InactiveStar InactiveStar InactiveStar Inactive
 

A group of atoms that represents a potential reaction site in an organic compound.

Latest Articles

  • 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?

  • What are Compound Microscopes?

    Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...

  • Creating Malachite egg

    One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but...

  • Chemical Safety

    People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...

  • Use of diamonds

    Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...



Most Popular

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.

Sigma Orbital

Molecular orbital resulting from head-on overlap of two atomic orbitals.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Nuclear Binding Energy

Energy equivalent of the mass deficiency, energy released in the formation of an atom from the subatomic particles.

 

Heat of Fusion

The amount of heat required to melt one gram of solid at its melting point with no change in temperature. Usually expressed in J/g. The molar heat of fusion is the amount of heat required to melt one mole of a solid at its melting point with no change in temperature and is usually expressed in kJ/mol.

Mass Number

The sum of the numbers of protons and neutrons in an atom, an integer.

Critical Point

The combination of critical temperature and critical pressure of a substance.

PseudobinaryIonic Compounds

Compounds that contain more than two elements but are named like binary compounds.

Conformations

Structures of a compound that differ by the extent of rotation about a single bond.

Alkaline Earth Metals

Group IIA metals