In today's video I go through six key concepts and skills relating to middle school chemistry, using the atomic symbol for potassium as an example case study. This lesson includes:
1. Identifying chemical symbols
2. Identifying atomic and mass numbers
3. Using atomic and mass numbers to determine numbers of protons, neutrons and electrons of an atom
4. Drawing an electron shell diagram
5. Writing the electron configuration, including using an element's period and group numbers
6. Determining the type of ion an atom will become, including cations and anions.
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|| Music ||
DeKobe - Another Time; Small Problems
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