Electron emitted from the nucleus when a neuton decays to a proton and an electron.
Latest Articles
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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?
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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.
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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.
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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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Protein Design: Automated protein discovery and synthesis
In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.
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Radioactive Dating
Method of dating ancient objects by determining the ratio of amounts of mother and daughter nuclides present in an object and relating the ratio to the object?s age via half-life calculations.
Equilibrium Constant
A quantity that characterizes the position of equilibrium for a reversible reaction, its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.
Nucleus
The very small, very dense, positively charged center of an atom containing protons and neutrons, as well as other subatomic particles.
Covalent Bond
Chemical bond formed by the sharing of one or more electron pairs between two atoms.
Meniscus
The shape assumed by the surface of a liquid in a cylindrical container.
Hess' Law of Heat Summation
The enthalpy change for a reaction is the same whether it occurs in one step or a series of steps.
Electroplating
Plating a metal onto a (cathodic) surface by electrolysis.
Mass
A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.
Enantiomer
One of the two mirror-image forms of an optically active molecule.
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 the stage, with the illuminator below that.
