百度试题 结果1 题目The element with atomic number 1 is___. A. hydrogen B. oxygen C. nitrogen D. carbon 相关知识点: 试题来源: 解析 A。原子序数为 1 的元素是氢。氧气原子序数为 8,氮气原子序数为 7,碳原子序数为 6。反馈 收藏
The element with atomic number 14 is? A. Silicon B. Phosphorus C. Sulfur D. Chlorine 相关知识点: 试题来源: 解析 A。解析:原子序数为 14 的元素是硅元素。磷元素原子序数为 15,硫元素原子序数为 16,氯元素原子序数为 17。所以答案是 A。
What is the abbreviation for sodium? A. Sa B. Sn C. So D. Na 相关知识点: 试题来源: 解析 D。钠元素的英文是 sodium,其缩写形式是 Na。选项 A“Sa”不是钠元素的正确缩写;选项 B“Sn”是锡元素的缩写;选项 C“So”不是钠元素的缩写。反馈 收藏 ...
What is the abbreviation for silicon? A. Si B. Sy C. Sg D. Sn 相关知识点: 试题来源: 解析 A。硅元素的英文是 silicon,其缩写形式是 Si。选项 B“Sy”不是硅元素的缩写;选项 C“Sg”一般不是任何化学元素的缩写;选项 D“Sn”是锡元素的缩写。反馈 收藏 ...
In accordance with the criteria for the discovery of elements previously established by the 1992 IUPAC/IUPAP Transfermium Working Group (TWG), and reiterated by the 1999 and 2003 IUPAC/IUPAP JWPs, it was determined that the 1996 and 2002 claims by the Hofmann et al. research collaborations ...
Discovery of the elements with atomic numbers greater than or equal to 113 (IUPAC Technical Report) The IUPAC/IUPAP Joint Working Party (JWP) on the priority of claims to the discovery of new elements 113–116 and 118 has reviewed the relevant literature ... RC Barber,PJ Karol,H Nakahara,...
Sincethen, the JWP has continued its examination of the potential discovery of elements with atomic numbersequal to or greater than 110. In considering documentation solicited from and submitted by claimant lab-oratories, the JWP used the criteria established in 1992 by the IUPAC–IUPAP Transfer...
The international team of scientists presents the production of the element with atomic number 112 for the first time <www.gsi.de/portrait/Pressemeldungen/ 10062009-1_e.html>. The IUPAC/IUPAP Joint Working Party (JWP) on the priority of claims to the discovery of new elements has reviewed th...
解析 首先句子后面是作定语的,由主句可以知道,修饰的是主语element.因为atoms是原子的意思,对于元素来说,逻辑关系自然是“元素里的原子”,所以element和atoms具有从属关系,用whose(注意啦!在定语从句表示从属关系的时候,关系词whose不仅仅适用于人,也可以适用于物)...
百度试题 题目An element is a substance all of _ atoms have the same atomic number. A.thatB.whoseC.whatD.which相关知识点: 试题来源: 解析 B 反馈 收藏