Give the systematic (IUPAC) names for these molecules. This molecule has the condensed formula C H 3 C H 2 C O O (C 6 H 5). C 6 H 5 is a benzene ring. IUPAC name: phenyl propanoate This molecule has the condensed formula C H 3 O C O C H 2 C H 2 C H (C H 3) 2. IUPAC name:

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

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