Ch. 4.2 - Atomic Structure I. Subatomic Particles (p.113 - 114)
Average Atomic Mass. carbon atom (12 amu) Measuring Atomic Mass Unit is the Atomic Mass Unit (amu) One twelfth the mass of a carbon-12 atom. Each isotope.
Ch. 4 - Atomic Structure I. Subatomic Particles (p.113 - 114)
1.4 Isotopes, Radioisotopes, and Atomic Mass B3.1 explain the relationship between the atomic number and the mass number of an element, and the difference.
Isotopes Atoms of the same element with different mass numbers. Mass # Atomic # Nuclear symbol: carbon-12Hyphen notation: carbon-12 Courtesy Christy Johannesson.
