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Chemistry, 12.07.2019 19:00 parmer6527p810bw

How is the modern periodic table arranged ? a. by atomic weight, with chemical families or groups in columns and periods in rows. b. by atomic weight, with chemical families or groups in rows. c. by atomic number, with chemical families or groups in columns and periods in rows d. by atomic number, with chemical families or groups in rows and periods in columns

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