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ChemistryCh.3 KRacht
Vocabulary of Chapter 3 Section 3
Question | Answer |
---|---|
protons in each atom of an element | atomic number |
has different number of neutrons than the elements on the PT | isotope |
total number of protons and neutrons | atomic mass |
general term for a specific isotope of an element | nuclide |
exactly 1/12 the mass of a carbon-12 atom | atomic Mass Unit |
weighted average of the atomic masses of the naturally occurring isotopes of an element | average atomic mass |
amount of a substance that contains as many particles as there are atoms 12 g of carbon-12 | mole |
6.02*10^23 | avogadro's number |
mass of one mole of a pure substance | molar mass |