Slide 30: Hydrogen has one proton, one electron, and no neutrons. Its atomic number is 1 and its atomic mass is approximately 1 since it has no neutrons (the electron mass is 1/1836 of the proton mass).
Slide 30: Hydrogen has one proton, one electron, and no neutrons. Its atomic number is 1 and its atomic mass is approximately 1 since it has no neutrons (the electron mass is 1/1836 of the proton mass).
