Chemical Reactions - Ionic Formula Writing: Students learn how to write formulas.

Writing a symbol equation Chemical reactions can be represented using symbol equations. In a symbol equation, substances are written using their chemical symbol or formula. The formulae of the ...

Chemical formulae Formula from names of compounds The chemical formula for a substance shows how many atoms of each element are present in a molecule, or the proportion of atoms of each element.

You might know that H20 is the chemical formula for water, but what about the chemistry of you? Dr Joe Hanson, a science writer and biologist based in Austin, Texas, pondered this very question ...