Confidence votes 261K. NH4 in chemistry is the formula for ammonium. It consists of one nitrogen atom to 4 hydrogen atoms. It is formed when a chemical process converts ammonia with the chemical formula NH3 to ammonium.
GILBERT MEDICAL GROUP LLC. GILBERT MEDICAL GROUP LLC is a Chiropractic Rehabilitation Specialist facility at 754 S VAL VISTA DR STE105 in GILBERT, AZ. Chiropractic Rehabilitation Specialist. Services GILBERT MEDICAL GROUP LLC is a Chiropractic Rehabilitation Specialist/office located in GILBERT, AZ 85296. A Chiropractic Rehabilitation Specialist is fully trained in chiropractic care but also has had extensive training in rehabilitation and physiologic therapeutics in order to better treat injuries.
From Wikiquote. William Gilbert (24 May, 1544 â 30 November, 1603) was an English natural philosopher and royal physician to England's Elizabeth I and to James VI and I. He studied the earth's magnetism and properties of the compass, such as magnetic dip, using the model of a terrella.