atlas.BETA

Help / Feedback

atlas.

Everything from class,
without digging for it.

I built atlas to keep our notes, assignments, dates and study stuff in one place.

Designed & built by Jovan

Find the thing you’re looking for.

Mrs. Cote

atlas.Opening your question…

Whole assignment
notesYour class material

Atomic number mass and ions notes

Use this alongside Atomic number mass and ions notes.

Key idea

Protons determine the element. Mass number counts protons plus neutrons. For ions, adjust the electron count without changing protons.

Mark a section finished

This records your progress. It does not submit work to your teacher.

Original & sources

Captured class material is kept privately. The companion uses original explanations and references.

Atlas uses original explanations. For exact wording, tables and figures, keep your teacher’s handout or textbook beside it.

Chemistry student study guide & current class-note scopePrivate class evidence from Mrs. Cote · checked 2026-10-06

Original atlas explanations and practiceJovan Pahal / atlas · checked 2026-10-06

Explain this idea