When a beta particle is emitted, the mass number of the isotope______.
A) remains unchanged
B) goes up one
C) goes down two
D) goes down four

Name: When a beta particle is emitted, the mass number of the isotope______. A) remains unchanged B) goes up one C) goes down two D) goes down four
Brand: Quizplus
Rating: 4.7 (38 reviews)

Question

Quizplus · Accepted Answer

When a beta particle is emitted from a nucleus, the mass number of the isotope remains unchanged because a beta particle is an electron or positron, which has negligible mass compared to protons and neutrons.

When a Beta Particle Is Emitted, the Mass Number of the Isotope______