14. In KCl, how are the valence electrons distributed? A. The electrons are equally shared between K and , forming a covalent bond. B. The electrons are transferred from K to C. The electrons are unequally shared between K and CIforming a polar covalent bond. D. The electrons are shared between many K and , creating a "sea of electrons ."

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.