78.1. THE PERIODIC TABLE 元素周期表 (图片可点击放大) In this section, we will explore the periodic table, which organizes chemical elements and provides valuable information about their properties and relationships. Understanding the periodic...
The noble gases in the periodic table are known for being___. A. very reactive B. slightly reactive C. neutral D. extremely unreactive 相关知识点: 试题来源: 解析 D。稀有气体在元素周期表中以极不活泼著称。选项 A、B 都不符合稀有气体的特点;选项 C 中性不准确,稀有气体是极不活泼。反馈 收藏...
Thus, the periodic table was born.2 In this lab session, the chemical and periodic properties of several substances were observed to determine trends and differences among them. These properties include, but are not limited to, acidity and basicity, the production of gases, 580 Words 3 Pages ...
What elements on the periodic table are gases?Gases:A gas is one of the states of matter; the others are solids, liquids, and plasma. Gases expand or compress to fill any volume. Many are odorless although hydrogen sulfide smells like rotten eggs....
noble gases alkaline earth metals Use the periodic table to give the name and symbol for each of the following elements: the noble gas in the same period as germanium the alkaline earth metal in the same period as selenium the halogen in the same period as lithium the chalcogen in the sa...
Inert Gases don't readily react with other elements; Noble Gases are a specific group of inert gases in the periodic table's Group 18.
1 Alkali and Alkalinse earth metals 2 Transition Metals More so than any of the other major groups of elements in the periodic table, the transition metals have shaped human history and have been the workhorses of industry. The disc...
Noble gases are monatomic, they exist as single atoms. Neon is used for neon signs, helium is used in balloons, argon is used in 3D printing, welding, lasers and has lots of other manufacturing uses. Radioactive Elements Many of the elements at the bottom of the table ( in green ) are...
The periodic table元素周期表 ThePeriodicTable CompanyLogo 1.Istheelementmetalornon-metal?2.Isitactiveorinactive?3.Aremostofitscompoundscrystalline,ionicsolidsorcovalentsolids,liquidsorgases?LOGO4.Whatarethephysicalpropertiesoftheelement.5.Whattypeofcompoundswilltheelementformwhenitreactswithotherelements?Scientis...
Noble Gases on the Periodic Table | Group 8A Elements from Chapter 7 / Lesson 9 84K In this lesson: understand what the noble gas elements are, where they are found on the periodic table, and why the noble gases are stable. Related...