M4 Periodic
Table: Chemical Change
Coefficients
Coefficients
in front of the formula are required to conform to the law of conservation
of matter.
That is, since matter cannot be destroyed or
created, atoms and molecules cannot be destroyed or created in a
chemical process.
The number of atoms at the end of a
chemical process must be equal to the number of atoms in the
beginning.
For simple combination reaction, you can balance
them by drawing (or imagining) particle diagrams.