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💻 My highly recommended chemistry resources
HIGH SCHOOL / GENERAL CHEMISTRY
- Zumdahl textbook (most popular AP chemistry textbook) : [ Ссылка ]
- AP chemistry prep book (good summaries of topics): [ Ссылка ]
- Official SAT chemistry subject test prep book (two official tests): [ Ссылка ]
- Cracking SAT chemistry prep book (good summaries): [ Ссылка ]
- Chemistry summary leaflet: [ Ссылка ]
- Chemistry equation leaflet: [ Ссылка ]
- Chemistry terminology leaflet: [ Ссылка ]

ORGANIC CHEMISTRY
- Klein Organic Chemistry textbook (does fantastic job at simplifying ochem): [ Ссылка ]
- Organic chemistry model set (helpful for visualizing 3D structure): [ Ссылка ]
- Organic chemistry as 2nd language textbook (1st semester): [ Ссылка ]
- Organic chemistry as 2nd language textbook (2nd semester): [ Ссылка ]
- Most common ochem shape stencil (to save time): [ Ссылка ]
- Organic chemistry fundamentals leaflet: [ Ссылка ]

In this video, we'll go quickly determine and count number of valence electrons, which are the outermost electrons, in elements, ions, and compounds. We will not discuss transition metals.

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