(e) Chemical formulae, equations and calculations.1:24 understand why the noble gases (Group 0) do not readily react.1:23 Understand why elements in the same group of the Periodic Table have similar chemical properties.1:22 understand how the electronic configuration of a main group element is related to its position in the Periodic Table.1:21 identify an element as a metal or a non-metal according to its position in the Periodic Table. #WATTS UNITS HOW TO#1:20 understand how to use electrical conductivity and the acid-base character of oxides to classify elements as metals or non-metals.1:19 understand how to deduce the electronic configurations of the first 20 elements from their positions in the Periodic Table.1:18 understand how elements are arranged in the Periodic Table: in order of atomic number, in groups and periods.1:17 be able to calculate the relative atomic mass of an element (Aᵣ) from isotopic abundances.
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