，原句为“子曰：“有教无类”。不管什么人都可以受到教育，不因为贫富、贵贱、智愚、善恶等原因把一些人排除在教育对象之外。此教育理念为孔子所倡导，在教育对象问题上，孔子明确提出了“有教无类”的思想。“有教无类”的意思是无分贵族与平民，不分国界与华夷，只要有心向学，都可以入学受教 ...
Answer to: How many valence electrons does S have? Periodic Element S Atoms have several layers, with the nucleus at the center and electrons surrounding it. Electrons on the outermost layer, or shell, of the atom, are called valence electrons. How many they have and how they are arranged...
How many valence electrons does {eq}Tl^{3+} {/eq} have? Write the condensed electron configuration.Electronic Configuration:{eq}Tl {/eq} is the chemical symbol for the element thallium which belongs to the p-block elements and present in group 13. The electronic configurat...
【题目】How many valence(outer shell)electrons are present in the atoms of the element with ato mic number51(about Chemistry) 答案 【解析】 元素Sb5个。5s2,5p3 结果二 题目 How many valence(outer shell)electrons are present in the atoms of the element with atomic number51(about Chemistry) ...
解析 Sb arrangement of extranuclear electrons:1s⑵ 2s⑵2p⑹ 3s⑵3p⑹3d⑽ 4s⑵4p⑹4d⑽ 5s⑵5p⑶arrangement of valence(outer shell)electrons :5s25p3so the valence(outer shell)electrons either are 3 or 5. 结果一 题目 【题目】How many valence(outer shell)electrons arepresent in the atoms of...
How many valence electrons does the element Br have? How many total valence electrons are in XeO3? Enter only the number. What is the number of valence electrons in HSCN? How many valence electrons does the element Mn^{3+} have?
How many valence electrons are in a neutral atom of argon? $ ? Periodic Table of the Elements 1 1A Metal 1 H 2 2A 2 3 LI 4 Be 3 11 12 3 Na Mg 38 4 46 19 K 4 20 21 Ca Sc 22. TI 37 Rb 5 38 Sr 39 Y 40 Zr 55 56 Cs ...
note a fact that in a group, all the elements will have the same number of valence electrons ...
How many valence electrons are there in an atom of phosphorus? A. 2 B. 3 C. 5 D. 6 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错 举一反三 确定地区分部应考虑的因素包括( )( )( )( )( ) A. 所处政治、经济...
How many electrons does cobalt have? Cobalt Cobalt is a transition metal that is located in the first row of the transition metals. Its atomic mass is 58.933 g/mole and is used to make blue pigments. The largest mining operations for cobalt are in Central Africa. ...