BASIC CONCEPTS OF CHEMISTRY PART 2 1. The mass of an atom compared to the mass of an atom of carbon-12 is called Relative atomic mass Atomic weight Atomic number Molar mass 2. On the carbon-12 scale, what is the relative atomic mass of hydrogen 1.008 amu 12.000 amu 15.9994 amu 20.1797 amu 3. Who first discovered the phenomenon of isotopes Dalton Curie Soddy Rutherford 4. How many isotopes does carbon have 4 2 5 3 5. What instrument is used to measure the exact masses of different isotopes Mass spectrometer Electron microscope Optical microscope Gas chromatograph Loading … Pages: 1 2
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