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
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
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
【题目】ElementXisametalwithatomicnumberof 47 andhasanelectronicconfiguration 2,8,18,z,2.a)Givethevalueofzinthecon figurationofmetalXb)DescribethestructureandbondinginmetalXwiththehelpofadiagram.c)Xreactswithchlorineto formachloridewith formulaXCl.StatethetypeofbondingandstructureinXCl.d)Account forthe...
c)XreactswithchlorinetoformachloridewithformulaXCl.StatethetypeofbondingandstructureinXCl.d)AccountforthefactthatXdeformsunderstressbutXClfractures 相关知识点: 试题来源: 解析 a) z=47-2-8-18-2=17b) where is the diagram?like:1s2s22p63s23p63d104s24p64d105s24f7 ?c) 2Ag + Cl2 === 2AgCl...
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
When tomatoes were planted in steamed soil inoculated with spores of Didymellalycopersici Kleb., a large proportion became infected but very few became infectedin unsteamed soil similarly inoculated. In soil treated with formalin and subsequentlyinoculated the number of diseased plants was about half ...