Short-lived species formed by the collision of dissolved ions of opposite charges.
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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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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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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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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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Heterocyclic Amine
Amine in which the nitrogen is part of a ring.
End Point
The point at which an indicator changes colour and a titration is stopped.
Chain Termination Step
The combination of two radicals, which removes the reactive species that propagate the change reaction.
Hydrogen-Oxygen Fuel Cell
Fuel cell in which hydrogen is the fuel (reducing agent) and oxygen is the oxidizing agent.
Alkaline Battery
A dry cell in which the electrolyte contains KOH.
Monoprotic Acid
Acid that can form only one hydronium ion per molecule, may be strong or weak. Acid that contains one ionizable hydrogen atom per formula unit.
Collision Theory
Theory of reaction rates that states that effective collisions between reactant molecules must occur in order for the reaction to occur.
K Capture
Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.
Fractional Precipitation
Removal of some ions from solution by precipitation while leaving other ions with similar properties in solution.
Anion
A negative ion, an atom or goup of atoms that has gained one or more electrons.
