Shells and Orbitals is a ready-to-teach OCR A A Level Chemistry lesson covering principal energy levels, shells, subshells and s, p and d orbitals. This 17-slide lesson provides clear, structured ...

An electron is a negatively charged subatomic particle that can be either bound to an atom or free (not bound). An electron that is bound to an atom is one of the three primary types of particles ...

Six lesson unit for Topic 1 Atomic Structure CIE AS/A Level Chemistry (9701). Clear explanations, definitions and equations that match CIE texts/exams. A ready to teach unit ideal for new and ...

This video provides a deep dive into the fundamental principles of chemistry, focusing on the role of electrons as the primary drivers in chemical reactions. It explains how the solutions to the ...