Chemical Reactions - Ionic Formula Writing: Students learn how to write formulas. Chemical Reactions - Ionic Formula Writing Students learn how to write formulas for a variety of ionic compounds ...

GCSE OCR 21st Century How are equations used to represent chemical reactions? Writing formulae of ionic compounds All substances are described by their formulae, which are used to write balanced ...

Cation First: Write the symbol of the cation (positive ion) first, followed by the anion (negative ion). Add Subscripts: Add ...

A covalent bond is a shared pair of electrons between two non-metal atoms, for example carbon dioxide. Figure caption, Two atoms sharing a pair of electrons. A covalent bond happens when the positive ...