General Chemistry I
Resource_Week 4
Shreya Jhajharia
Hello everyone! Good job, y’all made it through another week!! I’ll be posting weekly resources
on the topics that will be covered in class the following week. Reach out to me if you need help
with anything. Also do let me know if there are any specific resources you find helpful in the
discussion board.
Keywords: Periodicity, Aufbau Principle, Electronic configuration, valence electrons, core
electrons
Topics I’ll be covering: Electronic configuration, valence electrons, and core electrons,
Periodic trends
Aufbau Principle and Periodic Table:
A way to do electronic configuration
https://brainly.in/question/16095149
For the diagram above, follow the arrow to write out the electronic configuration. For example,
1s comes first followed by 2s, 2p, 3s, 3p, 4s, 3d, so on and so forth. Remember that s holds a
maximum of 2 electrons, p holds a maximum of 6 electrons, d holds a maximum of 10 electrons,
