Name and define six of the contagious diseases. 1. Conjunctivits; pinkeye, inflammation of mucous membrane around the eye. 2. Herpes sim 1 - fever blisters or cold sores. 3. Herpes zoster - shingles; painful skin condition from reactivation of chickenpox virus.
The scientific study of elements, atoms and molecules is called  Chemistry.   A person who practices this science is called a Chemist. 7 people found this useful.
Discovery: Swiss chemists Marc Delafontaine and Jacques-Louis Soret documented the special absorption bands of holmium in 1878, declaring it Element X.. Per Teodor Cleve later independently discovered the element while working on erbia earth, and the element is named after his native city.