Covalent bonds form due to the attraction between . a positive atomic nucleus and a negative one

the nuclei of two atoms

the electrons of two atoms

the electrons of one atom and the nucleus of another

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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?

Avariable that is not being directly tested during an experiment should be

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory