Question 288: Atoms & Nuclei

Question

A nuclear transformation is denoted by $$X\left( {n,\alpha } \right)\matrix{
   7  \cr 
   3  \cr

} Li.$$ Which of the following is the nucleus of element $$X$$ ?

Accepted Answer

$${}_z{X^A} + {}_0{n^1} 	o {}_3L{i^7} + {}_2H{e^4}$$
On comparison,
$$A = 7 + 4 - 1 = 10,\,\,\,z = 3 + 2 - 0 = 5$$
It is boron $${}_5{B^{10}}$$

Answer

$${}_5^{10}B$$

Answer

$${}^{12}{C_6}$$

Answer

$${}_4^{11}Be$$

Answer

$${}_5^9B$$

Atoms & Nuclei