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chapter 3 chem
ch 3 chem
Question | Answer |
---|---|
who was the schoolmaster that proposed an atomic theory? | John Dalton |
who discovered the nucleus? | Rutherford |
experiments with the cathode ray tube led the discovery of what? | the electron |
organic chemistry is the study of what? | carbon containing compounds |
what is the smallest unit of an element that can exist alone? | the atom |
what is the positive subatomic particle? | the proton |
all atoms of the same element have the same what? | atomic number |
what is the atomic number of aluminum? | 13 |
what does the 218 in polonium-218 represent? | mass number |
reactions that affect the nucleus are called what? | nuclear reactions |