百度试题 结果1 题目What element's symbol is Na? A. Sodium B. Sodion C. Sodier D. Sodone 相关知识点: 试题来源: 解析 A。元素符号 Na 代表 Sodium(钠)。不存在 Sodion、Sodier 和 Sodone 这三种元素。反馈 收藏
In the equation Fe+CuSO₄=FeSO₄+Cu, what element symbol represents iron? A. Cu B. Fe C. S D. O 相关知识点: 试题来源: 解析 B。在方程式 Fe+CuSO₄=FeSO₄+Cu 中,Fe 代表铁元素。选项 A 是铜元素符号;选项 C 是硫元素符号;选项 D 是氧元素符号。反馈 收藏 ...
In the equation 2Al+3H₂SO₄=Al₂(SO₄)₃+3H₂↑, what element symbol represents aluminum? A. H B. S C. Al D. O 相关知识点: 试题来源: 解析 C。在方程式 2Al+3H₂SO₄=Al₂(SO₄)₃+3H₂↑中,Al 代表铝元素。选项 A 是氢元素符号;选项 B 是硫元素符号;选项 D...
The element-of symbol is used in mathematical set theory to indicate that a point, object or number belongs to a certain set. The symbol resembles the lowercase Greek letter epsilon, but stretched out (∈). The symbol is read as "is an element of," "is a member of," "is in" or "...
What is the name of the element with symbol Fe? A. Fluorine B. Ferrum C. Iron D. Iodine 相关知识点: 试题来源: 解析 C。符号 Fe 代表的元素是铁,英文名是 Iron。选项 A 氟的元素符号是 F;选项 B 不是常用的元素名称;选项 D 碘的元素符号是 I。反馈 收藏 ...
What is the element with symbol Xe?Elements:The substances that comprises of many atoms with equal number of protons are referred as elements. The combination of many blocks of atoms results in the formation of element. Every element has unique characteristics property....
In chemistry, an element symbol refers to the one- or two-letter abbreviation for a chemical element, though the term also can be applied to alchemical symbols. Key Takeaways: Element Symbol Definition An element symbol is a one- or two-letter abbreviation for a chemical element name. ...
Whatisthe difference between a motif vs symbol? First, let's look at some definitions and examples. What is a symbol? A symbol is a usually something tangible or visible that represents something more abstract. Technically, a symbol is anything that communicates meaning visually. So a red octag...
What is the symbol for the element that is in group VIIA17)and period2? What is the symbol for the element that is in group VIIIA(18)and period6? What is the symbol for the element that is in groupIB(11)and period4?
What is the element symbol for cesium?Discovery of Cesium:When Gustav Kirchoff and Robert Bunsen discovered cesium in 1860, they had no idea how important it would become. Today, cesium is a key component in atomic clocks.Answer and Explanation: ...