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.
Salary. In 2012, the median salary for chiropractors was $66,160, according to the Bureau of Labor Statistics. This means that half of chiropractors made more than this amount and half of those working in the profession made less than the median amount.10 percent of chiropractors had a salary of less than $31,030; however, the top 10 percent made $142,950 or more.Experience and length of time in the profession are key factors in how much a chiropractor will earn.n 2012, the median salary for chiropractors was $66,160, according to the Bureau of Labor Statistics. This means that half of chiropractors made more than this amount and half of those working in the profession made less than the median amount.