结果1 题目元素周期表 Which element has the atomic number 29? A. Gold (Au) B. Tin (Sn) C. Copper (Cu) D. Zinc (Zn) 相关知识点: 试题来源: 解析 C) Copper (Cu) 答案: C) Copper (Cu) ... (继续展示其他试题及答案)反馈 收藏 ...
Which element has the highest atomic number? Increasing Atomic Numbers and Atomic Masses: Although the elements on the periodic table of elements are arranged in order of their atomic mass, their atomic numbers correspond to the number of protons in their nuclei. The correlation between the atomic...
3 The atomic number of element X is 16. Which statement(s) concerning X is/are correct?I. X can react with calcium to form an ionic compound.II. The oxide of X dissolves in water to form an acidic solution.III. X can conduct electricity in its molten state. A I and ll only B ...
搜索智能精选 题目An element is a substance all of _ atoms have the same atomic number. A. that B. whose C. what D. which 答案B
34 An element has an atomic number of 4.Which statement about this element is correct? A A It forms ions by losing electrons. B It has four occupied electron shells in each of its atoms. C It is an unreactive gas at room temperature and pressure. D It is found in Group IV of the...
(可能是用某些实验得出了一个元素的atomic number 结果找不到已知相应的元素 那么有可能就是发现了一种新元素 或者实验错误)讲的繁琐一点就是there have been atomic numbers[←我觉得应该要有s],and there's no known element for such atomic numbers.atomic number和element之间介词用for 在这个which的定语从句...
Which element has the largest atomic size? (a) B (b) Ga (c) Ti. The trends of the atomic radii of Group 13 elements: Atomic radius is the distance between the nucleus and the outer shell. The trends of almost all groups increase down the group including group 13 elements, ...
(可能是用某些实验得出了一个元素的atomic number 结果找不到已知相应的元素 那么有可能就是发现了一种新元素 或者实验错误)讲的繁琐一点就是there have been atomic numbers[←我觉得应该要有s],and there's no known element for such atomic numbers.atomic number和element之间介词用for 在这个which的定语从句...
21 You are given the information below:element atomic number W11X12Y16Z17Which of the following pairs of elements would react with each other most readily? B A Wand Y B Wand Z C Xand Y DXand Z 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
From the statement, we can see that the outermost configuration is the same as the p- block elements and thus, an element with atomic 114 is a p- block element.- The element uranium having the atomic number Z = 92 have been irradiated with many slow neutrons ...