Briefly explaining the reason for your choice, identify the isotope in Table 1 that is described in each of the following cases:

a fertile isotope

the isotope that is produced when radium-226 emits an alpha particle

the isotope that is produced when carbon-14 emits a beta particle.

Name of element	Atomic number of element	Mass number of isotope
Beryllium	4	10
Carbon	6	14
Nitrogen	7	14
Radon	86	222
Radium	88	226
Actinium	89	226
Thorium	90	232
Uranium	92	238
Plutonium	94	239