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 ...
Question: Which element is a transition metal in period 4? K, Hf, Sn, Sc, or Ge Which element is a transition metal in period 4? K, Hf, Sn, Sc, or Ge Here’s the best way to solve it. Solution Share 1. K (Potassium) ...
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...
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...
In which element do the electrons in a p sublevel first pair up? Which of the following elements is a transition metal? a. Br b. Be c. N d. K e. Ce Which of the following is true regarding the inner transition elements? A. Their valence electrons can be located in both s and f...
- Iron (C) primarily forms ionic bonds and occasionally covalent bonds but is not a common example.- Hydrogen (B) can form both ionic and covalent bonds. Thus, the element that can form both ionic and covalent bonds is B: Hydrogen. Final Answer: B: Hydrogen...
An element has the electron configuration [Kr] 5s24d105p2. The element is: a. nonmetal b. transition element c. metal d. lanthanide e. actinide An element has 35 electrons. In which period of the periodic table is this element located?
An element has the following electron configuration: (Kr)4d45s1 a. What period does it belong to? b. What is its group number? (Use group numbers from 1 to 18.) c. What kind of element is it? (Main group metal, transition metal, metalloid, or nonmeta...
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 ...
- Negative oxidation states occur when an element gains electrons. Therefore, we need to identify which elements have a tendency to gain electrons. 2. Analyzing Each Element: - Aluminium (Al): - Aluminium is a metal and has the electronic configuration of (Ne) 3s² 3p¹. - Metals typ...