atomska težina

atomska težina

The average mass of an atom of an element, usually expressed in atomic mass units . The terms mass and weight are used interchangeably in this case. The atomic weight given on the periodic table is a weighted average of isotopic masses found in a typical terrestrial sample of the element.

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Κλάδος/Τομέας: Chemistry
Category: General chemistry
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težina

Chemistry; General chemistry

Weight is the force exerted by an object in a gravitational field. The weight of an object (W) arises from its mass (m): W = mg where g is the acceleration due to gravity ...

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Αεροπορία; Διαστημόπλοια

The gravitational force exerted on an object of a certain mass. The weight of mass m is mg Newtons, where g is the local acceleration due to a body's gravity.

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Physics; General physics

The force with which a body is attracted towards the center of the earth. The weight of a body of mass m is given by mg, where g is the acceleration due to gravity.

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Art history; Visual arts

A dynamic effect in a picture created in the perception of the viewer. Rudolf arnheim describes weight and direction as the influences on the viewer’s perception of equilibrium in ...

isparljiv

Chemistry; General chemistry

A solid or liquid material that easily vaporizes. A material with a significant vapor pressure .

abraziv

Chemistry; General chemistry

A very hard, brittle, heat-resistant substance that is used to grind the edges or rough surfaces of an object. boron carbide, diamond, and corundum are abrasives.

diastereoizomer, diastereomer

Chemistry; General chemistry

Stereoisomers which are not mirror images of each other. Diastereomers are chemically similar but distinguishable; they have different melting points and boiling points and they ...

medicinska hemija

Chemistry; General chemistry

A branch of chemistry concerned with the discovery, design, synthesis , and investigation of biologically active compounds and reactions that these compounds undergo in living ...

slab elektrolit

Chemistry; General chemistry

A weak electrolyte is a solute that incompletely dissociates into ions in solution. For example, acetic acid partially dissociates into acetate ions and hydrogen ions, so that ...

grafit

Chemistry; General chemistry

An amorphous form of carbon , made of carbon atoms bound hexagonally in sheets (like chickenwire).

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Κλάδος/Τομέας: Πολεμικές τέχνες Category: Oil painting

Mona Liza

The Mona Lisa is widely recognized as one of the most famous paintings in the history of art. It is a half-length portrait of a seated woman painted ...