Author Question: A fusion reaction generates energy by combining lighter nuclei into a heavier nucleus, plus ... (Read 76 times)

jon_i · **on:** Jul 29, 2018

A fusion reaction generates energy by combining lighter nuclei into a heavier nucleus, plus additional particles.

Indicate whether the statement is true or false

Question 2

When an unstable nucleus decays by emitting an alpha particle, the atomic mass number of the nucleus

A)

increases by 4.
B)

increases by 2.
C)

decreases by 2.
D)

decreases by 4.
E)

remains unchanged.