alfa-čestica

alfa-čestica

Čestica koju obično izbacuju radioaktivne jezgre, a sastoji se od dva protona i dva neutrona. Alfa-čestice su jezgre helija. Alfa-čestice imaju masu od 6.644 655 98 × 10-27 kg ili 4.001 506 1747 atomskih jedinica mase (CODATA vrijednosti iz 1998.).

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Bransch/domän: Chemistry
Category: General chemistry
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alfa čestica

Medical devices; Radiology equipment

(image) the nucleus of a helium atom, made up of two neutrons and two protons with a charge of +2. Certain radioactive nuclei emit alpha particles. Alpha particles generally carry ...

alfa čestica

Semiconductors; Semiconductor quality

Helium nuclei emitted as a result of the radioactive decay of trace amounts of naturally occurring uranium and thorium found in semiconductor packaging materials. Alpha particles, ...

čestica

Pharmaceutical; Medical devices;

a tiny mass of material.

čestica

Electrical equipment; Fuel cell

Particulates, alternatively referred to as particulate matter (PM) or fine particles, are tiny particles of solid or liquid suspended in a gas.

mononatrijev glutaminat

Chemistry; General chemistry

Mononatrijev glutaminat se dodaje brojnim prehrambenim proizvodima kao pojačivač okusa.

orbitala

Chemistry; General chemistry

Energetsko stanje u modelu atoma koje opisuje gdje je vjerojatno da će se elektron nalaziti.

čestica

Chemistry; General chemistry

Maleni dio tvari, zapravo najmanji nakon molekule. Molekula se dijeli na čestice.

foton

Chemistry; General chemistry

Čestica bez mase koja sadrži energiju, a ponaša se i kao val i kao čestica.

potencijalna energija

Chemistry; General chemistry

Energija koju predmet ima zbog svog sastava ili položaja.

produkti

Chemistry; General chemistry

Spojevi koji nastaju završetkom kemijske reakcije.

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Bransch/domän: Sports Category: Basketball

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