The periodic table is a well-organized chart that contains all the known elements in the universe. These elements are ...
VOICEOVER: Chemical symbols and formulas ... and the symbols for some of the elements are left over from their old names. For example, the symbol for iron, Fe, comes from the Latin name for ...
Symbol equations are a quick way of representing chemical reactions. They show us what atoms are involved and how they are bonded together. Symbol equations always take the form, reactants → ...