Chemistry, 03.08.2021 19:20 juliannabartra
a. The atomic mass defines the elemental identity of an atom. b. The atomic number of an element is approximately equal to the number of protons in an atom of that element. c. Helium is the smallest atom and has an atomic number of 1. d. Isotopes of the same element have the same atomic mass.
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a. The atomic mass defines the elemental identity of an atom. b. The atomic number of an element is...
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