A. groups B. group C. grouping D. groupings 相关知识点: 试题来源: 解析 A。“different”后面接可数名词复数形式,“group”的复数是“groups”。选项 B 是单数形式错误;选项 C 是“分组”的动名词形式错误;选项 D 是“分组”的复数形式错误。反馈 收藏 ...
百度试题 结果1 题目The elements in the periodic table are arranged ___ a specific way. A. in B. on C. at D. by 相关知识点: 试题来源: 解析 A。“in a specific way”表示“以一种特定的方式”,是固定搭配。反馈 收藏
A color coded periodic table of elements that includes the name, density, electronic configuration, atomic number, melting point and much more of the elements!
【2037】 Per..Periodic table of elements现代化学的元素周期律是1869年俄国科学家门捷列夫(Dmitri Mendeleev)首创的,他将当时已知的63种元素依原子量大小并以表的形式排列,
百度试题 结果1 题目 5 The elements on the Periodic Table of the Elements are arranged in order of increasing (3)(1)atomic mass(3)atomic number(2) formula mass(4)oxidation number 相关知识点: 试题来源: 解析 (3) 反馈 收藏
百度试题 结果1 题目What is a row of elements on the periodic table called? A. octave B. period C. group D. transition 相关知识点: 试题来源: 解析 B 反馈 收藏
A. size B. weight C. atomic number D. color 相关知识点: 试题来源: 解析 C。“The elements in the periodic table are arranged in order of increasing atomic number.”可知元素在周期表中是按照原子序数递增的顺序排列的。A 选项大小、B 选项重量、D 选项颜色均不符合语境。反馈 收藏 ...
PeriodicTable: Periodic Table of the ElementsJulien Idé
157 TERBIUM 159 DYSPROSIUM 163 HOLMIUM 165 ERBIUM Er Tm Yb Lu 167 THULIUM 69 70 71 169 YTTERBIUM 173 LUTETIUM 175 89 ACTINIUM Ac 227 90 THORIUM Th 232 91 PROTACTINIUM Pa 231 92 URANIUM * The atomic weights listed on this Table of Elements have been rounded to the nearest whole number. ...
The PeriodicTableElements is an elegant app that is interactive and fun. Easy to use, easy to understand, simple and effective. It shows the periodic table of e…