Sheryl sketched models of two different neutral isotopes of carbon. If the isotope models are accurate, which statement might be true? (Refer to the periodic table if necessary.) O A. One shows 6 neutrons, and one shows 8. O B. One shows 5 protons, and one shows 7. O c. One shows 6 protons, and one shows 7. D. One shows 6 electrons, and one shows 5.​

What is the molar mass of a gas that has density of 2.054 g/l

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

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.