A thin partition between two solutions through which certain molecules can pass but others cannot.
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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...
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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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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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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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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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Isomorphous
Refers to crystals having the same atomic arrangement.
Nucleons
Particles comprising the nucleus, protons and neutrons.
Standard Electrode Potential
By convention, potential, Eo, of a half-reaction as a reduction relative to the standard hydrogen electrode when all species are present at unit activity.
Binary Compound
A compound consisting of two elements, may be ionic or covalent.
Breeder Reactor
A nuclear reactor that produces more fissionable nuclear fuel than it consumes.
20 interesting chemistry facts
20 interesting chemistry facts.
Electron Affinity
The amount of energy absorbed in the process in which an electron is added to a neutral isolated gaseous atom to form a gaseous ion with a 1- charge, has a negative value if energy is released.
Domain
A cluster of atoms in a ferromagnetic substance, all of which align in the same direction in the presence of an external magnetic field.
Molar Solubility
Number of moles of a solute that dissolve to produce a litre of saturated solution.
Lead Storage Battery
Secondary voltaic cell used in most automobiles.
