Zn: transition metal d. Cu: transition metal e. Cl: halogen Which of the following elements possesses the greatest metallic character? a. cesium b. rubidium c. potassium d. barium e. strontium Which element is a transition metal? a. Hg b. Tl c. Pb Which of thes...
A。铁是过渡金属元素。钠是碱金属元素,氧是非金属元素,氢是非金属元素。 1. 确定句子主语: 句子的关键词是“ice cream”, 所以主语是“an ice cream”。 2. 确定句子谓语: 句子描述的是“ice cream”的状态,所以谓语动词是“is”。 3. 确定句子其他成分: * “in front of the box”表示位置,修饰“ice ...
Variable resistance element is a transition metal that is disposed between a first electrode comprising a transition metal nitride, a second electrode containing a noble metal oxide or noble metal, the electrode and the second electrode of the first I have, and the oxide film.能代 英之...
(b) Iron is a transition element.(i) Which two of the following statements about iron are correct?Tick two boxes. A freshly-cut surface of iron is green in colour.Iron exists in only one oxidation state in its compounds.Iron has a high density.Iron has a giant covalent structure.Iron ...
DMn Submit DRNA Submit Which one of the following is a transition metal ? View Solution View Solution View Solution View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths ...
Which one of the following is transition element ? AMg BCa CNi DNaSubmit Which of the following is not a transition element? AMn BFe CCu DKSubmit Which among the following is a transition element? AAl BCs CPt DSSubmit What of the following is a transition element ? View Solution Which of...
The electron configuration of a certain element is 1s² 2s² 2p⁴. Which of the following is correct about this element? A. It is a metal. B. It is a non-metal. C. It is a noble gas. D. It is a transition metal. 相关知识点: 试题来源: 解析 B。解析:该元素价电子数...
(a) N (b) O (c) Fe. Which of the following elements is an alkali metal? a. Be b. Ce c. N d. K e. Br Which element in NH_4VO_3 is a metal? (a) V (b) N (c) H (d) O. Which of the following elements is a transition metal? a. Br b. Be c....
is a rare-earth element and B is a transition metal, or a pyrochlore type oxide compound whose chemical composition is represented by chemical formula: (A1−xCx)2B2O7 where A is a rare-earth element, C is an alkali-earth metallic element and B is a transition metal and where 0<x<1...
The flux of element A from species j to species k through reaction step i can be calculated5 using the following equation: (1)Aijk=nA,jnA,kriNA,i where nA,j and nA,k are the number of atoms A in species j and k, respectively, and NA,i is the sum of the number of atoms A ...