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...
102No 锘 103Lr 铹 1969 2237 97 94 137 871 Tool description: The periodic table of elements is a list of chemical elements arranged from small to large according to the atomic number, which is convenient for you to consult and use. ...
ED Periodic Table 化学元素周期表 (英文) 下载积分: 100 内容提示: The Modern Periodic Table of the Elements 1 18 Hydrogen 1 H 1.01 2.1 2 13 14 15 16 17 Helium 2 He 4.00 --- Lithium 3 Li 6.94 1.0 Beryllium 4 Be 9.01 1.5 Average relative masses are 2001 values, rounded to two ...
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...
Element Halogens Element Noble Gas He 13 5 IIIA 10.81 14 6 IVA 12.01 15 7 VA 14.01 16 8 VIA 16 17 9 VIIA 19 10 Helium 20.18 Standard State (25oC - 101 kPA) Ne = Gas Fe = Solid Ga = Liquid Tc = Synthetic B 13 Boron 26.98 14 C Carbon 28.09 N Nitrogen 15 30.97 O Oxygen ...
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
This number became known as an element’s atomic number. 后来,这个数字被称为元素的原子序数。 Today, elements on the periodic table are arranged by atomic number, which gives a more accurate understanding of element properties. 如今,元素周期表上的元素是按原子序数排列的,这使人们对元素的性质有了...
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 application you will find a huge amount of data about chemical elements for free. You will learn a lot of new and useful for yourself, no…
Periodic table of elements with information on chemical elements like gold, silver, iron, neon, helium, chlorine, copper, cobalt, and more