BabelNet

bn:00003048n

Noun Concept

Categories: Subatomic particles with spin 0, Helium, Ionizing radiation, Radioactivity

alpha particle alpha radiation 4He A-particle A-particles

A positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes WordNet 3.0

Definitions

Relations

Sources

A positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes WordNet 3.0 & Open English WordNet

Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. Wikipedia

Form of particle radiation Wikipedia Disambiguation

Helium-4 nucleus; particle of two protons and two neutrons Wikidata

A stream of alpha particles which are ejected from many radioactive substances having a penetrating power of a few cm in air but can be stopped by a thin piece of paper. OmegaWiki

A positively charged nucleus of a helium-4 atom (consisting of two protons and two neutrons), emitted as a consequence of radioactivity; α-particle. Wiktionary

Positively charged nucleus. Wiktionary (translation)

IS A

particle

ion

DESCRIBED BY SOURCE

Armenian Soviet Encyclopedia

DIFFERENT FROM

alpha decay

helium atom

HAS CAUSE

alpha decay

WordNet 3.0 & Open English WordNet