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A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.

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    It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to...

  • 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...

  • 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.

  • 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.

  • 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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Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Quantum Numbers

Numbers that describe the energies of electrons in atoms, derived from quantum mechanical treatment.

Alkyl Group

A group of atoms derived from an alkane by the removal of one hydrogen atom.

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

Coke

An impure form of carbon obtained by destructive distillation of coal or petroleum.

Critical Point

The combination of critical temperature and critical pressure of a substance.

Pairing Energy

Energy required to pair two electrons in the same orbital.

Ostwald Process

A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

Nuclear Fission

The process in which a heavy nucleus splits into nuclei of intermediate masses and one or more protons are emitted.