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.
atlas.Opening your question…
Whole assignmentUse this alongside Atomic number mass and ions notes.
Protons determine the element. Mass number counts protons plus neutrons. For ions, adjust the electron count without changing protons.