G. T. Seaborg, R. A. James, and A. Ghiorso, "The new element curium (atomic number 96)" in The Transuranium Elements: Research Papers, Vol. 14B, Paper 22.2 (MacGraw-Hill, New York, 1949), p. 1554.Seaborg GT, James RA, Ghiorso A (1949b) The new element curium (atomic number...
The element with atomic number 56 belongs to which block ? View Solution The element with atomic number 55 belongs to which block ? View Solution Knowledge Check An element having atomic number 17 and belongs to halogens is ___ ALi BF CK DClSubmit An element having atomic number 17 and ...
If W is atomic weight and N is the atomic number of an element, then ANumber of e−1 =W-N BNumber of .0n1 =W-N Cnumber of .1H1=W-N DNumber of .0n1=NSubmit The atomic number of an element is equal to the number of Aprotons Bneutrons Celectrons DdeutronsSubmit The atomi...
An element's atomic number directly correlates to the number of protons located in the nucleus of its atoms. In fact, the number of protons in the nucleus is the defining characteristic by which an atom is assigned its element. Answer and Explanation: ...
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)...
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 ...
Atomic Number:73 Symbol:Ta Atomic Weight:180.9479 Discovery:Anders Ekeberg in 1802 (Sweden) showed that niobic acid and tantalic acid were two different substances. Electron Configuration:[Xe] 6s24f145d3 Word Origin:GreekTantalos, mythological character, king who was father of Niobe. In the aft...
Atomic Number:47 Symbol:Ag Atomic Weight:107.8682 Discovery:Known since prehistoric time. Man learned to separate silver from lead as early as 3000 B.C. Electron Configuration:[Kr]5s14d10 Word Origin:Anglo-SaxonSeolfororsiolfur; meaning 'silver', and Latinargentummeaning 'silver' ...
An element with atomic number 113 has been discovered.It will belong to which of the following block,group number,period and outershell electronic configurati
The atomic number of an element X is 16. The symbol of ion formed by an atom of this element will be: AX2+ BX3+ CX2− DX−Submit The atomic number of an element X is 19. The number of electrons in its ion X+ will be A18 B19 C20 D21Submit The atomic number of an element...