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 its English name? A. Sodium B. Silicon C. Strontium D. Selenium 相关知识点: 试题来源: 解析 B。解析:用于制造半导体,化学符号为Si的元素是Silicon(硅)。Sodium(钠)的符号是Na,Strontium(锶)的符号是Sr,Selenium(硒)的符号是Se。本题考查硅元素的英文名称与化学符号以及其用途。反馈 收藏 ...
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
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....
What is the chemical symbol for the potassium element in the periodic table? What is the chemical symbol for the element silver? In the periodic table, K is the symbol for which element? What element has a symbol of B? Which element has the following configuration: [Xe]6s^2 4 f^11?
百度试题 结果1 题目What element's symbol is O? A. Oxygen B. Osmium C. Oldium D. Oronium 相关知识点: 试题来源: 解析 A。元素符号 O 代表 Oxygen(氧气)。Osmium 的元素符号是 Os;不存在 Oldium 和 Oronium 这两种元素。反馈 收藏
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 symbol for the element that is in group IIA(2)and period5?
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 ...
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...
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