Uranium is a radioactive atom on the periodic table with 92 protons in its nucleusOne such isotope of uraniumUranium-235undergoes alpha decay by releasing an alpha particle and another radioactive isotope. The new isotope made during radioactive decay has an number of and a mass number of

Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o