Nomenclature
Physiological roles of minerals
Ch 5 - Ionic Compounds Naming & Writing Formulas.
Calcium + Silicon Sodium + Bromine Boron + Fluorine Potassium + Sulfur Ca +2 + Na +1 + B +3 + K +1 + Si -4 Ca 2 Si NaBr Br -1 F -1 BF 3 S.