metal

metal

A metal is a substance that conducts heat and electricity, is shiny and reflects many colors of light, and can be hammered into sheets or drawn into wire. Metals lose electrons easily to form cations . About 80% of the known chemical elements are metals.

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Category: General chemistry
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Hevi metal

Music; General music

Rock style that gained popularity in the 1970s, characterized by simple, repetitive ideas and loud, distorted instrumental solos.

teški metal

Natural environment; Coral reefs

A metal having a specific gravity of 5.0 or greater. Heavy metals are generally toxic to organisms in relatively low concentrations, and tend to accumulate in the food web. ...

plemeniti metal

Jewelry; General jewelry

A metal prized for its durability, resistant to both oxidation and corrosion. Most are precious metals found near the earth's crust. Noble metals include.

organska hemija

Chemistry; General chemistry

The study of compounds that contain carbon chemically bound to hydrogen, including synthesis, identification, modelling, and reactions of those compounds.

nuklearna fuzija

Chemistry; General chemistry

Combination of two smaller nuclei to form a larger nucleus. The larger nucleus has higher binding energy per nucleon than the original nuclei, and fusion results in the release of ...

amonijak

Chemistry; General chemistry

Pure NH3 is a colorless gas with a sharp, characteristic odor. It is easily liquified by pressure, and is very soluble in water. Ammonia acts as a weak base . Aqueous solutions of ...

nuklearna fizija

Chemistry; General chemistry

Splitting of a nucleus into two smaller nuclei and neutrons. The smaller nuclei have higher binding energy than the original nucleus, and fission results in the release of energy.

enzim

Chemistry; General chemistry

Protein or protein-based molecules that speed up chemical reactions occurring in living things. Enzymes act as catalysts for a single reaction, converting a specific set of ...

amino kiselina

Chemistry; General chemistry

Amino acids are molecules that contain at least one amine group (-NH2) and at least one carboxylic acid group (-COOH). When these groups are both attached to the same carbon, the ...

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Valdkond/domeen: Food (other) Category: Herbs & spices

korijander

spice (whole or ground) Description: Seeds from the coriander plant, related to the parsley family (see cilantro). Mixture of lemon, sage and caraway ...