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。
The chemical element with atomic number 14 is silicon. What is the abbreviation for s
and used doped or in combination with other materials in glass, semiconducting devices, concrete, brick, refractories, pottery, and silicones. Atomic number 14; atomic weight 28.086; melting point 1,414°C; boiling point 3,265°C; specific gravity 2.33 (25°C); valence 2, 4. SeePeriodic Ta...
每次老师问这个atomic number是什么element,我都要在心里默念一遍“氢氦锂铍硼,碳氮氧氟氖”[挖鼻]
What is the abbreviation for magnesium? A. Mg B. Mn C. My D. Mh 相关知识点: 试题来源: 解析 A。镁元素的英文是 magnesium,其缩写形式是 Mg。选项 B“Mn”是锰元素的缩写;选项 C“My”不是镁元素的缩写;选项 D“Mh”不是镁元素的缩写。反馈 收藏 ...
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 ...
Astatine: the element of Atomic Number 85. Nature 159, 24-24, doi:10.1038/159024b0 (1947).Corson DR, Mackenzie KR, and Segre E. Astatine - the element of atomic number-85. Nature. 1947;159:24.Corson, D. R., Mackenzie, K. R., Segre, E. G., "Astatine: Element of Atomic Number...
To determine the block, group number, period, and outer shell electronic configuration of the element with atomic number 107, we can follow these steps:Step 1: Identify the nearest noble gas The atomic number of the element is
Atomic Mass and Nuclear Binding Energy for Md-322 (Mendelevium) Q-values, and nucleon residual interaction parameters for atomic nuclei of the isotope Md-322 (Mendelevium, atomic number Z = 101, mass number A = 32... S. Sukhoruchkin,Z. Soroko - Springer Berlin Heidelberg 被引量: 0发...