Hazel discusses the periodic table. This includes how you know where the metal and nonmetals are, the position of the transition metals, how you can work out the number of electrons in the outer shell, and what the meaning of group number and period number are.

These videos are designed to help with your GCSE and IGCSE science revision.

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Hazel completed her undergraduate degree at St John's College, the University of Cambridge. She then did a PGCE (PostGraduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor.

Material required for Level 9 is included.