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ChemistryGeneral Chemistry

Nitrogen Bohr Model: Complete the Li, N, and Ne Electron Diagrams

Complete every Li, N, and Ne shell diagram, including nitrogen’s two inner electrons and five valence electrons.

Question

Activity context

Use a periodic table. The preceding worksheet page shows these H and He examples:

Worksheet context: hydrogen has one electron and helium has two paired dots in the n = 1 shell.

Period-two atoms have two occupied shells, n = 1 and n = 2.

Question 2

Complete the three supplied Bohr diagrams by adding electrons for lithium (Li), nitrogen (N), and neon (Ne). Each diagram has a nucleus and two shells marked n = 1 and n = 2.

First find each neutral atom’s total electron count; fill the inner shell before the outer shell. Consult the periodic table to decide when the second shell starts filling. The required result is the electron count on each shell; angular placement around a shell is arbitrary. Pairing electron dots, as in the helium illustration, follows the worksheet convention.

Three unfilled diagrams for Li, N, and Ne, each with a nucleus and rings labeled n = 1 and n = 2.

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Evidence boundary

This page covers only Question 2 of Bellevue College’s CHEM&121 Workbook Key F2019, printed page 68 (PDF page 76), including the H/He context from printed page 67. The prompt is restated and the diagrams are redrawn; teacher answers are removed from the prompt. Questions 1, 3, and 4 are separate exercises. Shell drawings are counting models, not electron trajectories or spin-orbital diagrams; no isotope or neutron count is assumed.