teški metal

teški metal

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. Examples include arsenic, cadmium, chromium, lead, and mercury .

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Industry/Domain: Natural environment
Category: Coral reefs
Organization: NOAA
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Related terms

metal

Chemistry; General chemistry

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 ...

teški metali

Archaeology; Evolution

Metals with a high relative atomic mass, such as lead, copper, zinc, and mercury. Many of them are toxic.

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Agricultural chemicals; Pesticides

Metallic elements with high atomic weights; (e.g. mercury, chromium, cadmium, arsenic, and lead); can damage living things at low concentrations and tend to accumulate in the food ...

teški metali

Natural environment; Water

Metals that have a density of 5.0 or higher and a high elemental weight. Most are toxic to humans, even in low concentrations.

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

protein

Natural environment; Coral reefs

A large complex molecule made up of one or more chains of amino acids. A typical protein contains 200-300 amino acids but some are much smaller and some much larger, e.g., titin, ...