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ChemistryCh.3 KRacht

Vocabulary of Chapter 3 Section 3

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
Created by: KRacht