Question

In the given nuclear reaction
${}_4^{9}Be+{}_2^{4}He\to {}_6^{12}C+X$
$x$ represents

• A. Neutron
• B. Proton
• C. Positron
• D. Electron

Answer 1

Answer: (A)

Balancing atomic number and mass number on both sides ${}_0^{1}n$ (neutron)