Edexcel OLevel Chemistry revision notes

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Lesson

Lesson-4.1.1- understand how elements are arranged in the Periodic Table: ??? in order of atomic number.

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Lesson-3.1.5- be able to calculate the relative atomic mass of an element (Ar) from isotopic abundances.Previous Lesson-4.1.2- understand how elements are arranged in the Periodic Table: ??? in groups and periods.Next