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.
Average Chiropractor Pay vs. Other Best Jobs. Chiropractors made an average salary of $78,370 in 2015. They have a comparable salary to occupational therapists ($81,690). However, other health care professionals made much higher salaries, including podiatrists ($136,180) and physicians ($196,520).