Respuesta :
Answer:
Isotopes
Explanation:
Atoms in a chemical element will be different types. These are called isotopes. They have the same number of protons and electrons.
Proton: a stable particle in all atomic nuclei, with a positive electric charge equal, but opposite of an electron.
Electron: a stable particle in all atomic nuclei, with a negative electric charge equal, but opposite of a proton.
