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23 Nov 2019
Identify and compare trends on the periodic table, includingreactivity and relative sizes of atoms and ions; use the trends toexplain the properties of subgroups, including metals, non-metals,alkali metals, alkaline earth metals, halogens and noble gases.
Identify and compare trends on the periodic table, includingreactivity and relative sizes of atoms and ions; use the trends toexplain the properties of subgroups, including metals, non-metals,alkali metals, alkaline earth metals, halogens and noble gases.