Origin of Element Name origin silex origin description mineral—Latin for flint or hard stone Origin of Element Symbol symbol: Si origin silicon origin description element name Formerly Used or Proposed Element Names and Symbols name silicium no matching symbol specified Quantity Silicon...
The namesiliconderives from the Latinsilexorsilicis, meaning “flint” or “hard stone.”Amorphouselemental silicon was first isolated and described as an element in 1824 byJöns Jacob Berzelius, a Swedish chemist. Impure silicon had already been obtained in 1811. Crystalline elemental silicon was...
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Name origin:Latinsilex Appearance:dark gray, bluish tinge Discoverer:Antoine Lavoisier Obtained from:silicon dioxide or silicate Melting point:1414 K Boiling point:2900 K Density[kg/m3]:2.33 Molar volume:12.06 × 10-6m3/mol Protons/Electrons:14 ...
1.1 Name Silicon 1.2 Synonyms MFCD00085311 porous silicon silicium silicon powder SILICON WAFER, DOPED (N-TYPE), (111), & silicon,powder siliconpowder,amorphous SIMP AX05 SIMP AX10 View all 1.3 CAS No. 7440-21-3 1.4 CID 5461123 1.5 EINECS(EC#) 231-130-8 1.6 Inchi InChI=1S/Si 1.7 ...
百度试题 结果1 题目19 Which element is in the same period of the Periodic Table as silicon? C A germanium B scandium C sodium D strontium 相关知识点: 试题来源: 解析 C 反馈 收藏
As the name implies, these ring systems are spirocyclic, that is, the six-membered ring shares a common carbon atom with a second ring (see Table 5). The interest in cationic silicon compounds has been considerable in the last 10 years and they have been pursued vigorously by both syntheti...
Silicon appears in the same column (group 14) of the periodic table as carbon and thus shares some properties with the latter. However, there are significant differences in the properties of these two elements. Silicon is more electropositive than carbon. It has a larger atomic radius and ...
The nitriding silicon powder and the periodic tablePROBLEM TO BE SOLVED: To provide a silicon nitride sintered compact having an excellent strength in a temperature range from ordinary temperature to 1,000°C, an excellent oxidation resistance and an excellent static fatigue characteristic.福留 武郎...