periodic table of elements 美 英 un.元素周期表;无素周期表 英汉 un. 1. 元素周期表 2. 无素周期表 例句
elements [element]的复数 table n.[C] 1.桌子,台子;餐桌 2.餐桌全套餐具;就餐 3.(常作a table)一桌酒菜;饭菜,伙食 4.工作台;手术台;验尸解剖台 5.会议桌;(谈判、立法等)会议 6.(常作ta Table n. 表格,表,高原,平地层 vt. 搁置,嵌合,桌子,餐桌,工作台,石板,铭文 rio n. 里约热内卢 good...
元素周期表 - Periodic Table of Elements 1.1 原子与元素 - Atom and Element 1.2 周期 - Period 1.3 族 - Group 1.4 成组元素 - Collective of Elements 基础化合物的命名构词法 - Basic Compound Nomenclature 2.1 物质的分类 - Classification of Matter 2.1.1 物质,纯净物与混合物 - Matter, Pure Substanc...
In 1955 the 101st element was named mendelevium in his honor.On UNESCO website, it wrote,“The Periodic Table of Chemical Elements is more than just a guide or catalogue of the entire known atoms in the universe; it is essentially a window on the universe, helping to expand our ...
Periodic Table of Elements PeriodicTableofElements ---元素周期表 •In1869,theRussianchemicalMendeleevelementsaccordingtorelativeatomicmassfromthesequence,andthechemicallysimilarelementsinalongitudinal,producedthefirstperiodictableoftheelements,revealsthechemistrybetweentheinnerlinks,sothatitconstitutesacompletesystem,bec...
The Periodic Table of Elements: Element Name Origins (元素周期表每个元素名称的来源,大图请戳http://t.cn/R5Xhzsk)
More so than any of the other major groups of elements in the periodic table, the transition metals have shaped human history and have been the workhorses of industry. The discovery of metallic copper ended the Stone Age and ushered...
Mendeleev's periodic table of elements. The periodic table classifies all chemical elements according to their atomic number and chemical properties.
elementsymbol C atomicmass electronconfiguration Periodictableofelements maingroupelements（主族元素）transitionelements（过渡元素）Noblegases/inertgas(稀有气体/惰性气体) s/p/d/fblock(s、p、d、f区)Periodictableofelements Non-metal:非金属Metalloid:准金属Metal:金属 alkalimetal...
FEMALE STUDENT: It decays? It turns into other elements?Oh, so does that explain why it was missing in the periodic table? MALE PROFESSOR: Exactly. Because of its radioactive decay, element 43 doesn't last very long …and therefore… if it ever had been present on Earth it would have ...