Which statement correctly describes the effect of –emission within a radioactive…

CHEMISTRY · Single correct · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear

Problem

Which statement correctly describes the effect of

\gamma

–emission within a radioactive decay sequence? (a) The mass number is unchanged but the atomic number decreases by

1

. (b) Neither the mass number nor the atomic number changes. (c) The mass number is unchanged but the atomic number increases by

1

. (d) The mass number decreases by

4

while the atomic number decreases by

2