Question

Which ones of the following statements are true for given reaction?
${}_4{}^{9}Be{+}_1{}^{3}H{\to }_5{}^{11}B{+}_0{}^{1}n$

• A. It is a fusion reaction
• B. It is natural radioactive decay
• C. Total neutron number is conserved
• D. Total proton count is conserved

Answer 1

The correct option is C Total neutron number is conserved

${}^{B}eand{}_1{}^{3}H$ come together and form ${}_5{}^{11}B$ atom. Thus, it is artificial radioactive decay or fusion. We write number of neutrons in both sides;
${}_4{}^{9}Be{+}_1{}^{3}H{\to }_5{}^{11}B{+}_0{}^{1}n$
5 + 2 =6 + 1
7=7
We can say that number of neutrons in this reaction is conserved