silica group
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silica — noun /ˈsɪl.ɪ.kə/ a) Silicon dioxide. b) Any of the silica group of the silicate minerals. Syn: E551, anti caking agent See Also: silicon … Wiktionary
Carbon group — The carbon group is group 14 (IUPAC style) in the periodic table. Once also known as the tetrels (from Latin tetra , four), stemming from the earlier naming convention of this group as Group IVA. The group consists of carbon (C), silicon (Si),… … Wikipedia
Functional group — For other uses, see Functional group (disambiguation) and Moiety (disambiguation). Benzyl acetate has an ester functional group (in red), an acetyl moiety (circled with green) and a benzyloxy moiety (circled with orange). Other divisions can be… … Wikipedia
carbon group element — ▪ chemical elements Introduction any of the five chemical elements that make up Group 14 (IVa) of the periodic table namely, carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead ( … Universalium
China National Materials Group Corporation — 中国材料工业科工集团公司 Type State owned enterprise Industry Cement equipment and engineering Founded 1983 Headquarters Beijing, People s Republic of … Wikipedia
List of IARC Group 1 carcinogens — Substances, mixtures and exposure circumstances in this list have been classified by the IARC as Group 1: The agent (mixture) is carcinogenic to humans. The exposure circumstance entails exposures that are carcinogenic to humans. This category is … Wikipedia
List of IARC Group 3 carcinogens — Substances, mixtures and exposure circumstances in this list have been classified by the IARC as Group 3: The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans. This category is used most commonly… … Wikipedia
tridymite — noun A rare mineral of volcanic rocks that solidified at a high temperature, with the chemical composition silicon dioxide, SiO. Tridymite is chemically identical to quartz, but has a different crystal structure. Sometimes contains sodium… … Wiktionary
Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide … Wikipedia
Alkali metal — Group → 1 ↓ Period 2 3 Li 3 … Wikipedia
