Edexcel IGCSE Chemistry 1.18-1.24 The Periodic table
This video covers specification points 1.18-1.24 of the Edexcel IGCSE Chemistry 2017 specification. This is the Periodic table topic. Specification points: 1.18 Understand how elements are arranged in the Periodic Table: In order of atomic number In groups and periods 1.19 Understand how to deduce the electronic configurations of the first 20 ...
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· Jul 1, 2020