A. different B. similar C. same D. opposite 相关知识点: 试题来源: 解析 B。“Elements in the same group have similar chemical properties.”可知同一组的元素有相似的化学性质。A 选项不同的、C 选项相同的、D 选项相反的均不符合语境。反馈 收藏 ...
A. atomic numbers B. chemical properties C. atomic radii D. ionization E. nergies 相关知识点: 试题来源: 解析 B。解析:文中提到“Elements in the same group have similar chemical properties. This is because they have the same number of valence electrons.”。 反馈 收藏 ...
Q2 Elements in the same group have similar ___ properties. View Solution Q3 Assertion: Elements with the same chemical properties are kept in the same group. Reason: Elements in a group have the same number of electrons in the outermost shell hence they have similar chemica...
答案解析 查看更多优质解析 解答一 举报 答案:All the members of a single group have similar chemical and physical properties.新年快乐! 解析看不懂?免费查看同类题视频解析查看解答 更多答案(1) 相似问题 what is the name for a group of family doctors working in the same buiding together?这话的意思...
___ elements in ___ Group 1 are called alkali metals.A.The; aB.The; theC.The; /D./; the的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的
试题来源: 解析 D。解析:文章中明确提到“The elements in the same group have similar chemical properties. This is because they have the same number of valence electrons.”,即同一族的元素具有相似的化学性质是因为它们有相同数量的价电子。反馈 收藏 ...
A. They have different chemical properties. B. They have similar physical properties. C. They have similar chemical properties. D. They have no relation. 相关知识点: 试题来源: 解析 C。中文解析:“Elements in the same group have similar chemical properties.”,同一族的元素具有相似的化学性质。反...
With this arrangement, elements in the same vertical column have similar characteristics. These columns constitute the chemical families or groups. The groups headed by the members of the two 8-element periods are designated as main group elements, and the members of the other groups are called ...
aN1 is the number of elements in group one, N2 is the number of elements in group two, and N = N1 + N2. This rescaling is done to take into account unbalanced groups, that is cases where N1 and N2 have very different values. N1是元素的数量在小组一, N2是元素的数量在小组二和N =...
aCertain groupings of elements in the periodic table are designated by special names. The heavy, stepped, diagonal line on the table divides the elements into two major classed. Those to the left of the line are called metals, and those to the right, nonmetal. GroupⅠA elements are known...