Which of the following elements is a metal? A. carbon B. sulfur C. copper D. phosphorus 相关知识点: 试题来源: 解析 C。金属元素是铜。选项 A 是碳,是非金属元素;选项 B 是硫,是非金属元素;选项 D 是磷,是非金属元素。所以答案是 C 。
Which of the following elements is a metal element that is liquid at room temperature? A. Mercury B. Bromine C. Carbon D. Nitrogen 相关知识点: 试题来源: 解析 A。解析:Mercury(汞)是唯一一种在常温下为液态的金属元素。Bromine(溴)是液态非金属元素。Carbon(碳)是固态非金属元素,Nitrogen(氮)是...
Which of the following non - metal elements is a solid that is black in color? A. Oxygen B. Iodine C. Bromine D. Chlorine 相关知识点: 试题来源: 解析 B。解析:Iodine(碘)是非金属元素,是一种黑色的固体。Oxygen(氧)是无色气体,Bromine(溴)是红棕色液体,Chlorine(氯)是黄绿色气体。
百度试题 结果1 题目Which element belongs to alkali metal elements? A. sodium B. magnesium C. aluminum D. silicon 相关知识点: 试题来源: 解析 A。钠是碱金属元素。镁是碱土金属元素,铝是金属元素,硅是非金属元素。反馈 收藏
Among these elements, which one is a non - metal element known for its excellent electrical conductivity? A. Silver B. Copper C. Graphite D. Iron 相关知识点: 试题来源: 解析 C。解析:Graphite(石墨)是碳的一种同素异形体,属于非金属元素,它以良好的导电性而闻名。Silver(银)、Copper(铜)和Iron...
Among these elements, which non - metal is a diatomic molecule in nature? A. Neon B. Hydrogen C. Argon D. Krypton 相关知识点: 试题来源: 解析 B。解析:Hydrogen(氢)是非金属元素,在自然界中以双原子分子H₂的形式存在。Neon(氖)、Argon(氩)和Krypton(氪)是稀有气体元素,它们是单原子分子。
Which of the following non - metal elements is a halogen? A. Sulfur B. Fluorine C. Silicon D. Phosphorus 相关知识点: 试题来源: 解析 B。解析:Fluorine(氟)属于卤素,是一种非金属元素。Sulfur(硫)、Silicon(硅)和Phosphorus(磷)都不属于卤素。
Which of these three elements has the most mass? (a) Hydrogen. (b) Iron. (c) Uranium. (d) Same in each. Comparing Atomic Masses of Elements: The atomic mass of an element is different according to the different isotopes of the...
system of elements, of which there may be composed metalrrsmbler of different kinds.FORRETNIGSFORER EJNAR KROMANN
a. metalloids b. metals c. liquids d. nonmetals Types of Elements in the Periodic Table: The periodic table is an arrangement of elements into various horizontal rows called periods and vertical columns called groups in the increasing order of the...