The element with the symbol Fe is ___. A. fluorine B. iron C. iodine D. iridium 相关知识点: 试题来源: 解析 B。解析:“Fe”是铁的元素符号;“fluorine”是氟,符号 F;“iodine”是碘,符号 I;“iridium”是铱,符号 Ir。反馈 收藏
A. Period 1 B. Period 2 C. Period 3 D. Period 4 相关知识点: 试题来源: 解析 C。解析:元素符号为“K”的钾元素位于周期表的第三周期。第一周期元素为氢、氦,第二周期元素为锂、铍等,第四周期元素有钾之后的钙等。反馈 收藏
The full name of the chemical element with the symbol Hg is ___. A. hematite B. mercury C. lead D. silver 相关知识点: 试题来源: 解析 B。Hg 是汞(mercury)的化学元素符号。hematite 是赤铁矿,lead 是铅,silver 是银。反馈 收藏
In chemistry class, we learned about the element with the symbol Fe. What does Fe stand for? A. Fluorine element B. Iron element C. Iodine element D. Francium E. lement 相关知识点: 试题来源: 解析 B。Fe 是铁元素(Iron element)的化学符号。反馈 收藏 ...
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 ...
百度试题 结果1 题目Which element is represented by the symbol “Fe”? A. Iron B. Gold C. Silver D. Copper 相关知识点: 试题来源: 解析 A。解析:元素符号“Fe”代表铁(Iron)。金是“Au”,银是“Ag”,铜是“Cu”。反馈 收藏
(4) which is opaque applied to an external surface (3) of the base body (2), which uncovers the contour of a symbol (5) to be lit from behind, and a means of diffusion applied on an inner surface (6) of the base body (2) located on the opposite side to the outer surface (3...
A. Krypton B. Potassium C. Silicon D. Sulfur 相关知识点: 试题来源: 解析 B。解析:化学符号为'K'且对神经功能重要的元素是Potassium(钾)。Krypton(氪)的符号是Kr,Silicon(硅)的符号是Si,Sulfur(硫)的符号是S。这题考查元素的化学符号与英文名称以及元素的生理功能。反馈...
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....
A. Neon B. Nickel C. Nitrogen D. Sodium 相关知识点: 试题来源: 解析 A。解析:Neon(氖)是一种惰性气体,符号为“Ne”。B选项Nickel(镍),符号为“Ni”;C选项Nitrogen(氮),符号为“N”;D选项Sodium(钠),符号为“Na”,所以答案为A。反馈 收藏 ...