A compound consisting of two elements, may be ionic or covalent.
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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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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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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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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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What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support
Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...
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Osmosis
The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.
Optical Isomers
Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.
Mass Spectrometer
An instrument that measures the charge-to-mass ratio of charged particles.
Covalent Bond
Chemical bond formed by the sharing of one or more electron pairs between two atoms.
Colligative Properties
Physical properties of solutions that depend upon the number but not the kind of solute particles present.
Donor Atom
A ligand atom whose electrons are shared with a Lewis acid.
Radical
An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)
Law of Conservation of Matter and Energy
The total amount of matter and energy available in the universe is fixed.
Amorphous Solid
A noncrystalline solid with no well-defined ordered structure.
Polarization
The buildup of a product of oxidation or a reduction of an electrode, preventing further reaction.
