Please HELP...Count the number of elements in the following molecule: 3 C2(H6K5)2

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning

Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia