How many neutrons exist in the isotope sodium-23?

Newtons second law deals most cosely with

What are transitions between a liquid and gas called? identify which way they are transitioning

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?