The number of in an atom of an element is the element's atomic number.
a. neutrons
b. protons
c. electrons
d. mass

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2