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alpha particle

Noun CEFR B2

Definitions

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

Equivalents

11 more languages

Examples

“Holonyms: alpha ray, alpha radiation

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

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