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A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

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  • What are Compound Microscopes?

    Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...

  • 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.

  • Protein Design: Automated protein discovery and synthesis

    In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.

  • 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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Band of Stability

Band containing nonradioactive nuclides in a plot of number of neutrons versus atomic number.

Displacement Reactions

Reactions in which one element displaces another from a compound.

 

Hydrocarbons

Compounds that contain only carbon and hydrogen.

Functional Group

A group of atoms that represents a potential reaction site in an organic compound.

Line Spectrum

An atomic emission or absorption spectrum.

Melting Point

The temperature at which liquid and solid coexist in equilibrium, also the freezing point.

Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Ternary Compound

A compound consisting of three elements, may be ionic or covalent.

Polyene

A compound that contains more than one double bond per molecule.

Viscosity

Resistance offered by the molecules of a liquid to flow is termed as viscosity.