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.
Towards the end of his life, Gilbert was appointed as a physician to Queen Elizabeth I, and upon her death, he was appointed as physician to King James I, shortly before his own death. Death & Legacy. William Gilbert died on November 30, 1603, aged 59, in London. Though there have been various discussions on the causes behind his death, it is often said that Gilbert could have possibly died due to the bubonic plague.