Silicon chemical element of the periodic table with symbol Si,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、
中英元素周期表的元素信息标注举例,截取自上文两张元素周期表 周期表上,一个元素的基本信息一般都会被标注在元素的符号(symbol / chemical symbol)周围。 化学里的元素(element)基本可以分成 metal(金属) 与 nonmetal (非金属) 两类,金属元素又有一系列特别的 transition metals(过渡金属)。周期表上金属与非金属交...
periodic_table PeriodicTableoftheElements Writtenby:BillByles-bylesb@internet4classrooms.com Selectanelement (=Internetlink)Name:HydrogenSymbol:HAtomicNumber:1AtomicMass:1.00794amuMeltingPoint:-259.14°C(14.009985°K,-434.45203°F)BoilingPoint:-252.87°C(20.280005°K,-423.166°F)Name:Helium...
choice of unit chemists. It’s equal to Avogadro’s number (6.02 X 1023) of atoms. For each element the atomic weight is on the periodic table right under the symbol of the element. The carbon atomic weight is 12 units of atomic mass (amu), so the weight of one mole is 12 grams....
Na: This represents Sodium, commonly found in table salt. Mg: This is the symbol for Magnesium, a lightweight metal critical in biological systems. Al: This represents Aluminum, a lightweight and corrosion-resistant metal. Si: This ...
PeriodicTableoftheElements Selectanelement (=Internetlink)Name:HydrogenSymbol:HAtomicNumber:1AtomicMass:1.00794amuMeltingPoint:-259.14°C(14.009985°K,-434.45203°F)BoilingPoint:-252.87°C(20.280005°K,-423.166°F)Name:HeliumSymbol:HeAtomicNumber:2AtomicMass:4.002602amuMeltingPoint:-272.0°C...
Symbol: Si Atomic number: 14 Relative atomic mass (Ar): 28.085 range: [28.084, 28.086] [see noter] Standard state: solid at 298 K Appearance: dark grey with a bluish tinge Classification: Semi-metallic Group in periodic table: 14
Click on the Symbol to go to the Online Catalog page. 1H 2He 3Li4Be5B6C 7N 8O 9F 10Ne 11Na12Mg13Al14Si 15P 16S 17Cl 18Ar 19K20Ca21Sc22Ti23V24Cr25Mn26Fe27Co28Ni29Cu30Zn31Ga32Ge33As34Se 35Br 36Kr 37Rb38Sr39Y40Zr41Nb42Mo ...
1. The Elements and The Periodic Table(元素和周期表) The number of protons in the nucleus of an atom is referred to as the atomic number, or proton number, Z. The numbers of electrons in an electrically neutral atom is also equal to the atomic number, Z. The total mass of an atom ...
* Silicon (symbol Si) is a metalloid. It is a semiconductor, making it the principal component in many integrated circuits. Silicon dioxide is the principal constituent of sand. * Phosphorus (symbol P) is a nonmetal essential to DNA. It is highly reactive, and as such is never found in ...