Radioactive isotopes are used for all of the following EXCEPT: * a. Treat cancer patients

b. Kill pesticides in agriculture

c. identifying an element

d. research on metabolic purposes​

Which of these best describes an ionic bond?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?