Question

How did bohr determine the number of electrons possible in any shell?

Answer 1

The 2nd shell can hold up to 8 electrons. The 3rd shell can hold 18, but the elements in the first few periods only use 8 electrons. 11. Bohr Diagrams End of Study Guide.You should know how to draw a Bohr Diagram for the first 20 elements.

Actually, he had his ways...