The chemical element with atomic number 15 is phosphorus. What is the abbreviation fo
百度试题 结果1 题目The element with atomic number 1 is___. A. hydrogen B. oxygen C. nitrogen D. carbon 相关知识点: 试题来源: 解析 A。原子序数为 1 的元素是氢。氧气原子序数为 8,氮气原子序数为 7,碳原子序数为 6。反馈 收藏
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
The chemical element with atomic number 20 is calcium. What is the abbreviation for c
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 11 is sodium. What is the abbreviation for so
The chemical element with atomic number 14 is silicon. What is the abbreviation for s
atomic number of an element 指的是:元素X的原子序数是15,核外有15个电子,所以该元素为P元素,即磷元素而number of electrons in an anion of X问得是:X元素的阴离子核外电子数是多少?因为P的最外层电子是5个电子,所以必须得到3个电子才满足8个电子的饱和结构所以磷元素的阴离子核外电子数是:15+3=18所以...
Which element has the smallest atomic radius? Which element has the highest first electron affinity? What is the symbol for the element with atomic number 74? Which atom has the largest number of neutrons? What element in the second period has the largest atomic radius?
The chemical element with atomic number 19 is potassium. What is the abbreviation for potassium? A. 需器通没团想者术报干西细边料列需器通没团想者术报干西细边料列K需器通没团想者术报干西细边料列需器通没团想者术报干西细边料列 B. 养型常切就她整放下习着风何们象才维身事样养型常...