Combination of symbols that indicates the chemical composition of a substance.
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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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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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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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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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Hydrate Isomers
Isomers of crystalline complexes that differ in whether water is present inside or outside the coordination sphere.
ytterbia
Ytterbia is a colorless compound, Yb2O3, used in certain alloys and ceramics. Also known as ytterbium oxide.
Aryl Group
Group of atoms remaining after a hydrogen atom is removed from the aromatic system.
Fat
Solid triester of glycerol and (mostly) saturated fatty acids.
Amine
Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.
Allotropes
Different forms of the same element in the same physical state.
End Point
The point at which an indicator changes colour and a titration is stopped.
Saccharide
An organic compound containing a sugar or sugars.
Mass
A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.
Ternary Acid
A ternary compound containing H, O, and another element, often a nonmetal.
