Conduction of electrical current by ions through a solution or pure liquid.
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Features of the Scanning Tunneling Microscope
The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types. The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The...
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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.
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Varieties of garnet minerals
The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...
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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.
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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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PseudobinaryIonic Compounds
Compounds that contain more than two elements but are named like binary compounds.
Copper
Discovered : known to ancient civilisations
Origin : The name is derived from 'Cuprum', the Latin name for Cyprus.
Phenol
Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.
Supercritical Fluid
A substance at temperature above its critical temperature.
D -Transition elements (metals)
B Group elements except IIB in the periodic table, sometimes called simply transition elements EX. Fe, Ni, Cu, Ti .
For further information see Metals.
Electron
A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.
Heterogeneous Equilibria
Equilibria involving species in more than one phase.
yttrium metal
Any of a subgroup of rare-earth elements, of which the cerium and terbium metals comprise the other two subgroups.
Dermal toxicity
Adverse health effects resulting from skin exposure ot a substance.
Hybridization
Mixing a set of atomic orbitals to form a new set of atomic orbitals with the same total electron capacity and with properties and energies intermediate between those of the original unhybridized orbitals.
