The element with the atomic number 79 is:A) Iron (Fe)B) Copper (Cu)C) Mercury (Hg)D) Gold (Au)Answer: D 相关知识点: 试题来源: 解析 D 题目询问原子序数为79的元素对应的选项。分析如下:1. **选项A(Iron,Fe)**:铁的原子序数为26,对应元素周期表中的第26位,与题目中的79不
Yamazaki, "Discovery of the element with atomic number z= 118 completing the 7th row of the periodic table (iupac technical report)," Pure and Applied Chemistry, vol. 88, no. 1-2, pp. 155-160, 2016.Karol, P. J., Barber, R. C., Sherrill, B. M., Vardaci, E. & Yamazaki, E...
Hemingway, „Evidence for the possible existence of a superheavy element with atomic number 112." Nature, 229 (1971) 464 - 467Marinov , Batty , Kilvington , Newton , Robinson and Hemingway Nature , vol. 229, pp.464 1971...
Regarding the element with an atomic number of 8, the following statement is correct:A. The element symbol is NB. It belongs to a metallic elementC. It has the highest content in the earth's crust 相关知识点: 试题来源: 解析 C 原子序号为8的元素是氧(O)。 A. 氧的元素符号是O,而非N...
To determine the position of the element with atomic number 17 in the periodic table, we can follow these steps:Step 1: Identify the Element The element with atomic number 17 is Chlorine (Cl).Step 2: Determine th
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 ...
Von Hevesy, On the missing element of atomic number 72, Nature 111 , 79 (1923).Coster, D. and von Hevesy, G. (1923) On the missing element of atomic number 72. Nature , 111 , 79.Coster D, de Hevesy G. On the missing element of atomic number 72. Nature 1923;111:79....
To determine whether the statement "The element with atomic number 17 has the least size among all the elements of that period" is true or false, we can follow these steps:Step 1: Identify the Element - The element with atomic
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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。