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...
The Periodic Table app contains detailed chemical and physical information of all chemical elements. Spice up your chemistry on Windows!
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...
lines of many elements, which showed that the wavelengths did indeed depend in a regular way on the atomic numbers—identical with the ordinal numbers of the elements in the table. There is no longer any uncertainty about the position of any element in the ordered series of the periodic ...
Thevalenceof the elements (that is, the number of bonds formed with a standard element) is closelycorrelatedwith position in the periodic table, the elements in the main groups having maximum positive valence, or oxidation number, equal to the group number and maximum negative valence equal to ...
Periodic table of elements is a simple app that you can look up elements common properties. it is simple to use, contains a lot of information about elements and their behavior. it is interactive. you can click at any elements to see its property. on th
With Game Center integration, you can show everyone how well you know the periodic table and do your best to be the first in the ranking! Features ★ Two game modes: - Element symbol to name or - Element name to symbol ★ Two difficulty levels for each game mode ...
Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals ...
Oganesson(symbol Og), for element 118 This followed a 5-month period of public review after which the names earlier proposed by the discoverers were approved by IUPAC. You can buy thisperiodic table posterand more at theWebElements periodic table shop. ...
Periodic Table App is a top free periodic table app for iPhone where you will find elements with details, you can find a lot of information about elements of chemistry available on the latest periodic table. Every element is organised in its own row and column. These elements are very import...