Spontaneous decomposition of an atom.
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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...
- 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.
- 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...
- 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.
- Use of diamonds
Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...
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Weak Electrolyte
A substance that conducts electricity poorly in a dilute aqueous solution.
Ionic Bonding
Chemical bonding resulting from the transfer of one or more electrons from one atom or a group of atoms to another.
Hydration
Reaction of a substance with water.
Cation
A positive ion, an atom or group of atoms that has lost one or more electrons.
Polymer
A large molecule consisting of chains or rings of linked monomer units, usually characterized by high melting and boiling points.
Homonuclear
Consisting of only one element.
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.
Secondary Voltaic Cells
Voltaic cells that can be recharged, original reactanats can be regenerated be reversing the direction of the current flow.
Law of Conservation of Matter
There is no detectable change in the quantity of matter during an ordinary chemical reaction.
Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
