Atomic Ion Worked Chemistry Problem Tetra Images / Getty ImagesUpdated on November 19, 2019 This worked chemistry problem demonstrates how to determine the symbol for the ion when given the number of protons and electrons. Problem: Give the symbol of an ion that has 10 e- and 7 p+. Solution: The...
Conventions for Writing Ions When writing the symbol for an ion, the one- or two-letter element symbol is written first, followed by a superscript. The superscript has the number of charges on the ion followed by a + (for positive ions or cations) or - (for negative ions or anions). Neutral atom...
General Guidelines for Finding Ions When the numbers of protons and electrons are given, it's easy to figure out the ionic charge. More often, you won't be given this information. You can use the periodic table to predict many ions...