If a mass that weighs 8 kg is held in the air with 784 J of energy, what is its height?

The p sub shell can hold up to 8 electrons in an atom. true or false?

What is the mass of sodium in 3 moles of sodium chloride

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?