Region or volume in space in which the probability of finding electrons is highest.
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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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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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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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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...
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Gas of rotten eggs
If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.
Disproportionation Reactions
Redox reactions in which the oxidizing agent and the reducing agent are the same species.
Line Spectrum
An atomic emission or absorption spectrum.
Heterogeneous Equilibria
Equilibria involving species in more than one phase.
Neutron
A neutral subatomic particle having a mass of 1.0087 amu.
Reaction Ratio
The relative amounts of reactants and products involved in a reaction, maybe the ratio of moles. millimoles, or masses.
Levorotatory
Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.
Double Salt
Solid consisting of two co-crystallized salts.
Endothermic
Describes processes that absorb heat energy.
Boiling Point Elevation
The increase in the boiling point of a solvent caused by the dissolution of a nonvolatile solute.
