PHYSICS
JAMB 2002 - Question 49
Physics 2002 JAMB Past Questions - Question 49: What particle is X in the reaction above?
Choose the correct answers from the options given.

A:
B:
C:
D:
Correct Answer
D
Explanation
1123Na +X → 209F +42Heb+23=20+4→b=1a+11=a+2→a=0;X=neutron

