How many protons and electrons are present in a vanadium atom

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?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions