Periodic Table
Elements and Compounds
Atoms and Atomic Structure
Metal and Alloys

What is the total number of electrons in a potassium ion?



User Avatar
Wiki User

Potassium, or K, has an atomic number of 19. Therefore, its electrically neutral form would have 19 protons and 19 electrons. An ion of potassium, labeled K+, has had one of its electrons removed; therefore it only has 18 electrons.