What do you think? Should hydrogen be placed in the group 17 of halogens or group 1 of alkali metals in the modern periodic table? View Solution In which group and period should hydrogen be placed? View Solution
Being hydrogen treating catalytic converter and VI A in the periodic table which supportsPROBLEM TO BE SOLVED: To provide a hydrogenation treatment catalyst containing a nitrogen organic compound and a use thereof.ファブリス ディエールクリストフ ブシィ...
15 Astatine, At is below iodine in Group VIl of the Periodic Table.Which one of the following statements is most likely to be true for astatine? C A At_{2} is soluble in water. B AgAt is insoluble in dilute NH_{3} but dissolves in concentrated NH_{3}. C HAt decomposes readily on...
Group 1 elements are called alkali metals which are extremely reactive elements because they react with water to form molecular hydrogen and the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a questio...
In the periodic table, the element hydrogen is sometimes grouped with the alkali metals and sometimes with the halogens. Why can hydrogen resemble both Group 1A and Group 7A elements? Which of the elements in the following ...
13 An element X in found in Group VIll of the Periodic Table.Which of the following is a likely behaviour of element X? D A reacts vigorously with water3 forms a hydride of formul a XH_{7}CC reduces hydrogen sulfide D. oxidises SO_{3}^{2}-to $$ S O _ { 4 } ^ { 2 - ...
The halogens in question (F, Cl, Br) increase in size as we move down the group in the periodic table. Fluorine is the smallest, followed by chlorine, and bromine is the largest. The larger the atom, the greater the steric repulsion between the bonded atoms. Hint: Consider how the ...
12、Crater Lake is located in which US state? A、California B、Oregon C、Washington D、Idaho Answer:B 13、Mageiricophobia is the fear of A、carpet. B、cooking. C、magic. D、reading. Answer:B 14、What is the greatest common factor of 6 and 12?
This partial charge separation is known as a polar bond. Electronegativity trends are present in the periodic table, in which the electronegativity increases going right across a row and up a group. Therefore group 1 metals will have very low electronegativity relative to grou...
In a two-stage hydrofining process, hydrogen is utilized as a quench fluid to reduce the temperature of the effluent withdrawn from the hydrodemetallization stage prior to providing such effluent to the hydrodesulfurization stage and the flow of such hydrogen is controlled so as to maintain a des...