PERIOD 1 1 IA 1.008 18 2 Group IUPAC 2 4 IIA 9.01 1 1 Group CAS IA 1.008 VIIIA 4 1 H Hydrogen 3 6.94 Atomic Number Atomic Mass Atomic Symbol 2 Li 11 Lithium 22.99 Be Beryllium 12 24.31 H Hydrogen Atomic Name Metal Alkaline Metal Alkaline Earth Metal Transition Metal Lanthanide ...
Periodic Table 元素周期表(相对分子量) PERIOD 1 IA 18 VIIIA 1 1.008 2 4 1 H Group IUPAC Group CAS Metal Semi Metal Non Metal He Alkaline Metal Chalcogens Element Hydrogen 2 IIA 1 IA Alkaline Earth Metal Halogens Element 13 IIIA 14 IVA 15 VA 16 VIA 17 VIIA Helium 3 6.94 4 9.01 Ato...
Theperiodic tableof elements is arranged based on a series of regular polyhedron. 指出元素周期表的排列规则来自正多面体. 期刊摘选 The size of atoms decreases from left to right across a period in theperiodic table. 在周期表中沿着周期从左到右原子的半径递减. ...
元素周期表专业版(Periodic Table PRO)是一款专门为化学这门学科打造的一款专业的元素周期表学习软件,有了他你就能够随时把元素周期表带在身上,元素周期表想背就背,不浪费任何学习的机会。元素周期表专业版提供了每个元素的详细资料、元素分类及元素背诵口诀此引用可满足中学到大学师生及化学专业人士的使用需求所有元素...
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 ...
In the periodic table the elements are arranged into periods andgroups. A row of elements across the table is called a period. Each period hasa number: from 1 to 7. Period 1 has only 2 elements in it: hydrogen and helium. Period 2 and Period 3both have 8 elements. Other periods are...
Periodic Table概述 Elements 1Hydrogen 氢 1H:period1,groupIA/1,nonmatel 原子量1.00794电离能1312.0eV电负性2.20氧化态+1,-1电子构型1s1原子半径0.79Å离子半径0.012Å熔点-258.975︒C沸点-252.732︒C氢是一种化学元素，在元素周期表中位于第一位。氢通常的...
1 IA 18 VIIIA 1 2 IIA 13 IIIA 14 IVA 15 VA 16 VIA 17 VIIA 2 3 3 IIIB 4 IVB 5 VB 6 VIB 7 VIIB 8 9 VIIIB 10 11 IB 12 IIB 4 5 6 7 2nd Period 6th Period 9.17.00 1:37 PM 10 3.3 Periodic Table Down the Periodic Table Down the Periodic Table Family: Family: Are ...
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The Periodic Table E-Learning Unit 1 Patterns in the Periodic Table Arrangement of Elements ? Elements are arranged in the Periodic Table in order of proton numbers, which increases from left to right across the Table. Arrangement of Elements Period 1 Period 2 Period 3 ? A horizontal row of...