An element's name has the prefix "chloro-". Which element is it? A. Chlorine B. Fluorine C. Bromine D. Iodine 相关知识点: 试题来源: 解析 A。本题考查元素名称特点。“chloro-”前缀的元素是 Chlorine(氯)。Fluorine(氟)、Bromine(溴)、Iodine(碘)名称都没有“chloro-”前缀。
Which element is in Group 17 and has 7 valence electrons? A. Fluorine B. Chlorine C. Bromine D. All of the above 相关知识点: 试题来源: 解析 D。解析:氟(Fluorine)、氯(Chlorine)、溴(Bromine)都属于第17族(卤族元素),它们的最外层都有7个电子,所以这三个选项都正确,答案为D。
百度试题 结果1 题目Which element is a metal? A. Oxygen B. Chlorine C. Sodium D. Nitrogen 相关知识点: 试题来源: 解析 C。氧气(Oxygen)、氯气(Chlorine)和氮气(Nitrogen)都属于非金属元素,钠(Sodium)是金属元素。反馈 收藏
百度试题 结果1 题目Which element is a metal? A. Carbon B. Chlorine C. Zinc D. Phosphorus 相关知识点: 试题来源: 解析 C。本题考查金属元素的判断。碳(Carbon)、氯(Chlorine)和磷(Phosphorus)都不是金属元素,锌(Zinc)是金属元素。反馈 收藏 ...
百度试题 结果1 题目12 An element Z forms a chloride ZCl, which contains 65 5% of chlorine by mass What is the relative atomic mass of Z ?B A 27 B 56 C 52 D 96 相关知识点: 试题来源: 解析 B 反馈 收藏
An element needed to build bones is ___. (a) iron (b) calcium (c) chlorine (d) nitrogen. Which of the following formed elements carry oxygen? a. leukocytes b. erythrocytes c. thrombocytes d. monocytes Which of these is a ...
To determine which element can oxidize water to produce oxygen gas (O₂), we can analyze the properties of certain elements, particularly their electronegativity and their ability to act as oxidizing agents. 1. Identify the Element: The element that can oxidize water to O₂ is Fluorine (F...
Which one of them is expected to have the highest E^o _M^{3+/{M^{2+} value? a) Cr (Z=24) b) Mn (zA certain element has its outermost electron in a 2s subshell. It has valence +1 because it has 1 more electrons than a certa...
The exhibition of various oxidation states by an element is also relat... 03:14 Identify the correct statements with reference to the given reaction ... 02:45 Which of the following electrodes will act as anodes when connected to... 02:12Exams...
The term “heterocyclyl group” refers to a hydrocarbonated ring of 3-10 members, in which one or more of the atoms in the ring, preferably 1, 2 or 3 of the atoms in the ring, is a different element to carbon, such as nitrogen, oxygen or sulfur and can be saturated or unsaturated...