MCQ Elements SET 3ALL MCQ For Elements 1. All the elements in a group in the periodic table have the same—Same number of valence electronsAtomic weightAtomic numberNone of the aboveQuestion 1 of 152. In year 2016 , in which month new elements were found in the periodic table?FebruaryMarchAprilJanuaryQuestion 2 of 153. The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given byLothar MeyerBohrMoseleyMendeleevQuestion 3 of 154. Value of ionization energyDecreases down the groupRemains same down the groupIncreases down the groupNone of aboveQuestion 4 of 155. The Law of Octaves was given byMendeleevDobereinerBohrJohn NewlandsQuestion 5 of 156. Elements are arranged in order ofDecreasing atomic numberIncreasing atomic massIncreasing atomic numberDecreasing atomic massQuestion 6 of 157. Russian chemist Dmitri Mendeleev in 1869 devisedThe periodic TableLaw of thermodynamicstructure of electronForce of gravityQuestion 7 of 158. For yet undiscovered elements Periodic table hasColumnsRowsGapsGroupsQuestion 8 of 159. Element which perfectly matched qualities which Mendeleev predicted in his Periodic table wassiliconradiumradongeraniumQuestion 9 of 1510. Recurrence of same pattern in periodic table is called itsperiodicityintervalsretermisationregular patternQuestion 10 of 1511. How many element groups are there?7161811Question 11 of 1512. The symbol Au stands for what element?GoldCopperSilverTinQuestion 12 of 1513. What is the atomic number for helium?1428Question 13 of 1514. What is the atomic number for the element tantalum?22815273Question 14 of 1515. What is the symbol for Argon?AAgAnArQuestion 15 of 15 Loading...
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