"mercury has been a key ingredient for dental amalgam for many years, the elemental mercury is alloyed with other metals including silver, tin, copper, and occasionally zinc. It forms a silvery paste which is used to fill the carious cavity, which then sets to form a hard permanent dental filling."
"Mercury has been known about since prehistoric times. It was named quicksilver by Aristotle (384-322 BCE) and liquid silver by Dioscorides (40-90 CE) 4."
Expected headings
"Basic chemistry"
"Medical importance"
"Mercury exists in multiple stable isotopes on earth; mercury-202 is the most abundant, forming 29.7%, mercury-200 accounts for another 23.1%. Mercury-199, mercury-201, and mercury-198, account for 16.9%, 13.1%, and 10% respectively. Mercury-204 forms 6.8% of the total. Many other radioactive mercury isotopes are known, many with very short half-lives 3."