Which of the following is/are true? A. In each period, the atomic numbers increase from left to right.

B. The periods are numbered 1 through 7 on the left-hand side of the periodic table.

C. Elements in the same period have chemical properties which are not all simular.

D. All of the above

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?