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 ...
Why is fluorine special in terms of electronegativity? What is the electronegativity of boron? Which element in period 4 has the highest electronegativity? What electronegativity is polar? What periodic trends exist for electronegativity? What is the electronegativity of water?
What two states of matter are found during melting? Which state of matter is NaNO3 in? (a) Solid (b) Liquid (c) Gas (d) Plasma What is the ground state of an element? Explore our homework questions and answers library Search Browse Browse by subject...
谢谢! Four embroidery with gold- and silver-colored thread gentleman hundred beer company 1 integrity examination not through the NBB filter element, needs to carry on the POR compensation, is mails to quite you (Beijing) to examine under, mails to this address which attaches to carry on the...
a分别测定两组患儿血清中微量元素铜、锌、铁、镁、钙的含量 Determines in separately two group of trouble blood serums the trace element copper, the zinc, hard, the magnesium, the calcium content[translate] aultimate lift age-correcting serum serum lifting supreme correction anti-age 最后举至尊更正反...
In this courtyard collection 112 golden yellow staphylococcus, bears the armor oxygen Xilin golden yellow staphylococcus to have 93.MRSA total picks out rate is 83.0%, MRSA to left oxygen fluorine Sha Xing, the Kelin mildew element, the tetracyclin, the erythromycin, the cyclopropane sand magnitude...
The beryllium is pretty toxic, so you should handle it carefully and avoid getting any dust in the air.The oxygen and nitrogen drift around, slowly dispersing. The neon floats away.The pale yellow fluorine gas would spread across the ground. Fluorine is the most reactive, corrosive element in...
What is the difference between physical and chemical properties in science? Why does solid calcium conduct electricity but solid iodine does not? Which element is more reactive, Iodine or Astatine? Why does chlorine have a higher electronegativity value than krypton? What H+ ions of an acid and...
if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound?Name the following two molecules.Name the following molecules:Which of the following pairs of elements is most likely to form an ionic compound? a. magnesium and fluo...
A naturally occurring substance made up of the element fluorine, found naturally in rocks, plants, water, and soil. Water absorbs fluoride from the ground as it passes through. However, the amount of fluoride may differ from one place to another. If you are consuming well water, it is impo...