Chemistry, 25.06.2019 18:30 sweetiezylp8umho

Which of the following is a true statement regarding the periodic table? a. atoms in the same group have the same number of electrons. b. elements are grouped according to their total number of neutrons. c. atomic mass decreases as you move left to right across the periodic table. d. elements with the same number of valence electrons are arranged in columns.

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Which of the following is a true statement regarding the periodic table? a. atoms in the same grou...