Once an alpha particle is outside the nucleus it is
A) quickly bound to a neighboring nucleus.
B) electrostatically repelled.
C) radioactive.
D) free to wander about the nucleus.

Question

Quizplus · Accepted Answer

Alpha particles, once emitted from a nucleus, are positively charged and thus are electrostatically repelled by other positively charged particles, including nuclei. This repulsion prevents them from being quickly bound to a neighboring nucleus.

Once an Alpha Particle Is Outside the Nucleus It Is