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...
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The Periodic Table app contains detailed chemical and physical information of all chemical elements. Spice up your chemistry on Windows!
78.1. THE PERIODIC TABLE 元素周期表 (图片可点击放大) In this section, we will explore the periodic table, which organizes chemical elements and provides valuable information about their properties and relationships. Understanding the periodic...
This periodic table of elements provides comprehensive data on the chemical elements including scores of properties, element names in many languages and most known nuclides (Isotopes). Below the table there is a "Periodic Table Sorted By" section with links that will sort chemical elements by vario...
Only elements go onto the periodic table, andsteel is an alloy, not an element.Steelis made from multiple elements. Its basic formula includesiron(Fe) with trace amounts of carbon (C). Different types of steel made add other elements to enhance properties. For example, chromium (Cr) may ...
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 ...
The periodic table of the chemical elements is a tabular display of the known chemical elements. The elements are arranged by electron structure so that many chemical properties vary regularly across the table. Each element is listed by its atomic number and chemical symbol. The standard table ...
Elements on The Periodic Table Every chemical element has a specific atomic number, which provides insight into the number of protons present within its nucleus. All isotopes of an element fall under a single cell on the periodic table, since they all share the same atomic number. ...
element name atomic weight electron configuration other metals semi-metals non-metals halogens noble gases 8 9 氟 F fluorine 1 8.998 He.2s2.2p5 1 0 氖 Ne neon 20.1 80 He.2s2.2p6 1 1 鈉 Na sodium 22.990 Ne.3s1 12 鎂 Mg magnesium 24.305 Ne.3s2 3 / IIIb 21 鈧 Sc scandium 44.956 ...