Bonding within metals due to the electrical attraction of positively charges metal ions for mobile electrons that belong to the crystal as a whole.
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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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Why do copper products change color, and what is the name of the process?
Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.
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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...
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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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Harmful Chemicals Found In Food
It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to...
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Formula Weight
The mass of one formula unit of a substance in atomic mass units.
Ideal Gas
A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.
Galvanizing
Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion.
Hydrometer
A device used to measure the densities of liquids and solutions.
Molecular Formula
Formula that indicates the actual number of atoms present in a molecule of a molecular substance.
Heterogeneous Equilibria
Equilibria involving species in more than one phase.
Dynamic Equilibrium
An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.
Pauli Exclusion Principle
No two electrons in the same atom may have identical sets of four quantum numbers.
Complex Ions
Ions resulting from the formation of coordinate covalent bonds between simple ions and other ions or molecules.
Dry Cells
Ordinary batteries (voltaic cells) for flashlights. radios, and so on, many are Leclanche cells.
