An alpha particle has a charge of +2 (elementary charges). A beta particle has a charge of -1 (electron) or +1 (positron).
An alpha particle has a charge of +2 (elementary charges). A beta particle has a charge of -1 (electron) or +1 (positron).
An alpha particle has a charge of +2 (elementary charges). A beta particle has a charge of -1 (electron) or +1 (positron).
An alpha particle has a charge of +2 (elementary charges). A beta particle has a charge of -1 (electron) or +1 (positron).