I’m so confused on this‍♀️

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

Using the periodic table, complete the table to describe each atom. type in your answers

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?