The atomic number of oxygen is 8. This means that an atom of oxygen, regardless of the isotope, will have exactly 8 protons in its nucleus. The...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
百度试题 题目What is the atomic number of oxygen?A、2B、6C、8D、20Answer:C 科目四考试网___科目四考试题库相关知识点: 试题来源: 解析 http://www.km4ks.com/st/tk/ 反馈 收藏
Noun1.atomic number 8- a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust O,oxygen chemical element,element- any of the more than 100 known su...
Oxygen has an atomic number of 8. The n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. How many valence electrons does oxygen have? How many electrons are associated with a single covalent bond b...
【题目】Theatomicweightofoxygenis___than___ofthehydrogen. A.15timesheavier;that B.15timesheavier:those C.16timesasheavier;that D.16timesasheavy;those 试题答案 在线课程 【答案】A 【解析】 试题分析:考查倍数表达法。句意:氧原子是氢原子重量的16倍。is16timeshavier是倍数表达法,that代指weight,可知...
D Atomic Number8Symbol→O16.00Atomic Mass Oxygen Name PERIODIC TABLE OF THE ELEMENTS If you are looking to get a better understanding of the world around you, chemistry is the perfect subject to study. It's a study of matter (物质), its properties—ways in which it behaves in special con...
Atomic Number:8 Symbol:O Atomic Weight:15.9994 Discovered By:Credit for the discovery of oxygen is usually given to Carl Wilhelm Scheele. However, there is evidence credit should be given to the Polish alchemist and physician Michael Sendivogius. Sendivogius' 1604 workDe Lapide Philosophorum Tract...
百度试题 结果1 题目1.4. Which one of the following elements has the smallest atomic number A A Oxygen B Carbon C Aluminium DPotassium 相关知识点: 试题来源: 解析 A 反馈 收藏
Reactions of atomic oxygen. Part 1 .—The rate of the reaction O + O2+ M→O3+ M (M = He, Ar and Kr) 来自 RSC publishing 喜欢 0 阅读量: 70 作者:RJ Donovan,D Husain,LJ Kirsch 摘要: The recombination of oxygen atoms with O2 has been monitored directly using kinetic absorption ...
The mass number of an atom is the total number of protons and neutrons contained within the nucleus of the atom. The number of protons determines the element and will always equal the atomic number of that element. The number of neutrons can change and will determine which isotope of that ...