1. Isotopes and Ions

2. Isotopes
These are atoms of the same element with a different number of neutrons
All atoms of the same element will have the same number of protons, however it is possible for the number of neutrons to change.
A common element that this occurs in is Carbon

4. Ions These are atoms of the same element with different charges
They have either extra electrons or fewer electrons than needed
Cation vs. Anion
Cation
Positively charged
Anion
Negatively charged
c3k2723IM