How many miles are 248 grams of phosphorus (P4)? How many atoms are there in the same amount of phosphorus?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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?