1. Home
  2. Education
  3. Chemistry

Alpha Particle Definition - Definition of Alpha Particle

By Anne Marie Helmenstine, Ph.D., About.com

Definition: An alpha particle is a He2+ ion or the helium nucleus.

Return to the Chemistry Glossary Index

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Explore Chemistry

About.com Special Features

A Smarter Future

Tips that will help finance your education, excel in the classroom, and advance your career. More >

How to Ace the GRE

Being well prepared is the first step; here are more essential suggestions. More >

  1. Home
  2. Education
  3. Chemistry
  4. Facts & Pictures
  5. Dictionaries & Glossaries
  6. Alpha Particle Definition - Definition of Alpha Particle>

©2009 About.com, a part of The New York Times Company.

All rights reserved.