Molecules are held together by either covalent bonding or ionic bonding. Several types of non-metal elements exist only as molecules in the environment. For example, hydrogen only exists as hydrogen molecule. A molecule of a compound is made out of two or more elements.
In general, chiropractic services range from approximately $30 to $200 per session. Of course, each type of treatment has a different cost. For example, an initial consultation with a chiropractor may be provided at no charge, while a typical therapy session costs about $65 on average.
The Salary of a Chiropractic Assistant. Chiropractic assistant's can make anywhere from an average of $12 to $16 per hour. If you do not have experience, and are not certified, you will probably be on the lower end of the pay scale, while more experienced chiropractic assistants, will be on the higher end of the pay scale.