The chemical element with atomic number 20 is calcium. What is the abbreviation for c
The chemical element with atomic number 15 is phosphorus. What is the abbreviation fo
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 12 is magnesium. What is the abbreviation for
The chemical element with atomic number 14 is silicon. What is the abbreviation for s
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
An isotope of the element with atomic number 97 has been discovered as a product of the helium ion bombardment of americium. This isotope decays with the emission of alpha-particles of maximum energy 6.72 Mev (30 percent) and it emits lower energy alpha-particles of energies 6.55 Mev (53 ...
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
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 ...
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]