A fusion reaction generates energy by combining lighter nuclei ...

[jon_i]

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.

[Anton]

Answer to Question 1

TRUE

Answer to Question 2

D

[jon_i]

TYSM

[xiazhe]

Thanks for the timely response, appreciate it