Elements of which group are called as alkali metals? View Solution Platinum, Palladium, Indium, etc. are called noble metals because: View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Sol
21 Which statement about the alkali metals is true?C A They form covalent bonds with Group VIll elements. B They form oxides on reacting with water. C Their melting points decrease on descending Group I. D Their reactivity decreases on descending Group I. 相关知识点: 试题来源: 解析 C...
Which is the wrong sequence of the elements in a group ? 01:39 Which of the following sets of elements belongs to alkali metals ? 03:55 The outermost main shell of an element is 'M' shell. This element belo... 01:42 Which of the following is an element in 3^rd period II group ...
ChemInform Abstract: LIGANDS FOR THE ALKALI METALS. PART 6. SOME BIS(CROWN) SCHIFF BASES WHICH FORM POCKET COMPLEXES WITH ALKALI METAL CATIONS OF APPROPRIATE SIZEchemical equilibria, complexation equilibriaorgano‐alkali‐metal compoundsmulti‐membered O,S‐heterocycles (O or S ring members...
Also, using this arrangement, several generalizations on the elements can be determined including the trend for the electronegativity, electron affinity, etc. Answer and Explanation: Group 1 elements are called alkali metals which are extremely reactive elem...
In periodic table the horizontal rows are called periods and the vertical column are called group. There are seven periods and 18 groups present in the table and some of those groups are given particular name as follows, Group-1 → Alkali metal Group-2 →...
Which group contains the alkali metals? a. 1A b. 2A c. 3A d. 8A Which groups on the periodic table are metals? Who classified metals and nonmetals? What is between metals and nonmetals on the periodic table? Which are more common: metals or nonmetals? What group is flerovium in on ...
particular name as follows, Group-1 → Alkali metal Group-2 → Alkaline metals Group-16 → Chalcogens Group-17 → Halogens Group-18 → Noble gases Atomic Number: Atomic number of the element is equal to the number of protons present in the nucleus of ...
---ceptible to precipitation by alkali earth metals, it is advisable to use soft water in the impregnating bath although this is not necessary where no harm develops from the use of hard water. In some instances the absorbents may be made water soluble and/or neutral by the addition of sm...
and the like provided that the fluoride is liquid or solid at substantially room temperatures, e.g., from about 10° C. to about 20° C. The alkali metal fluorides such as those based on the Group IA or IIA metals of the Periodic Table of Elements and ammonium may be used in this ...