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1 元素周期表 PERIODIC TABLE OF THE ELEMENTS 第01号元素:氢[化学符号]H,读“轻”,[英文名称]Hydrogen第02号元素:氦[化学符号]He,读“亥”,[英文名称]Helium第03号元素:锂[化学符号]Li,读“里”,[英文名称]Lithium第04号元素:铍[化学符号]Be,读“皮”,[英文名称]Beryllium第05号元素:硼[化学符号]B,...
258 0 14:50 App [IG Chemistry] Chapter 12 P2 Preparation of Salts 151 0 27:17 App [IG Chemisty]Chapter 5 P3 Moles and solution chemistry 56 0 10:29 App [IG Chemistry] Chapter 9 P3 Contact Process 143 0 29:06 App [IG Chemistry ]Chapter 5 P1 The mole and the Avogadro's constan...
Periodic Table of Elements (BrainPOP)Polarbo 立即播放 打开App,流畅又高清100+个相关视频 更多425 -- 2:04:41 App Elements after Uranium - Periodic Videos 百万播放 205.3万 73 10:43 App 世界上“最罕见”的10大恐龙目击事件 3.4万 91 8:35 App 怎么会是这个词?(2) 物质的量 | 拗口的“物质的...
periodic table app是一款专业的元素周期表学习软件,在这里你可以了解到很多专业方面的知识,也可以更加深入的了解元素周期表的特点,给化学实验打下更多的基础,能够轻松的记住每一种元素。 元素周期表介绍 化学是最重要的自然科学之一,也是学校的主要教学学科之一。
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periodic table notes • as of yet, elements 112-118 have no official name designated by the IUPAC.• 1 kJ/mol ≈ 96.485 eV.• all elements are implied to have an oxidation state of zero.1 2 3 4 5 6 7
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元素周期表-中英文带音标-Periodic Table of Elements
Periodic Table- 50 This will tell you how many neutrons an atom has. Periodic Table – 50 What is atomic mass - atomic number? Atoms - 10 Subatomic particle with a positive charge Atoms– 10 What is a proton? Atoms- 20 Made of protons and neutrons. Where most of the mass of the ato...