A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie.
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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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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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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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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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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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Saturated Solution
Solution in which no more solute will dissolve.
Period
The elements in a horizontal row of the periodic table.
Eutrophication
The undesirable overgrowth of vegetation caused by high concentrates of plant nutrients in bodies of water.
D-Orbitals
Beginning in the third energy level, aset of five degenerate orbitals per energy level, higher in energy than s and p orbitals of the same energy level.
Dermal toxicity
Adverse health effects resulting from skin exposure ot a substance.
Amine Complexes
Complex species that contain ammonia molecules bonded to metal ions.
Distilland
The material in a distillation apparatus that is to be distilled.
Crystal Field Theory
Theory of bonding in transition metal complexes in which ligands and metal ions are treated as point charges, a purely ionic model, ligand point charges represent the crystal (electrical) field perturbing the metal?s d orbitals containing nonbonding electrons.
Organic Chemistry
The chemistry of substances that contain carbon-hydrogen bonds.
Oxidizing Agent
The substance that oxidizes another substance and is reduced.
