oxygen and hydrogen make water
101space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
102elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
103Goldsworthy Gurney — Infobox Person name = Sir Goldsworthy Gurney caption = Goldsworthy Gurney in earlier life. birth date = 14 February 1793 birth place = Treator near Padstow, Cornwall, England death date = 1875 death place = other names = known for = occupation… …
104Carbon — (), but as most compounds with multiple single bonded oxygens on a single carbon it is unstable.] Cyanide (CN–), has a similar structure, but behaves much like a halide ion (pseudohalogen). For example it can form the nitride cyanogen molecule… …
105Bioinorganic chemistry — is a field that examines the role of metals in biology. Bioinorganic chemistry includes the study of both natural phenomena such as the behavior of metalloproteins as well artificially introduced metals, including those that are non essential, in …
106Science in the Age of Enlightenment — The scientific history of the Age of Enlightenment traces developments in science and technology during the Age of Reason, when Enlightenment ideas and ideals were being disseminated across Europe and North America. Generally, the period spans… …
107sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …
108Alchemy — Alchemist redirects here. For other uses, see Alchemist (disambiguation). For other uses, see Alchemy (disambiguation). Page from alchemic treatise of Ramon Llull, 16th century Alchemy is an influential philosophical tradition whose early… …
109Matter — • Taking the term in its widest sense, matter signifies that out of which anything is made or composed Catholic Encyclopedia. Kevin Knight. 2006. Matter Matter …
110Silicosis — Classification and external resources ICD 10 J62 ICD 9 502 …
