ChemistryStoichiometry Quiz July 19, 2022July 21, 2022 - by hafsaaftab5096 0 Created on July 19, 2022 By hafsaaftab5096 Stoichiometry Quiz 1 / 20 The diameter of an atom is in the order of 0.2m 0.2mm C. 0.2nm 2 / 20 Which of the following are isoelectronic species? H+ HH- Li+ Na+ K+ F- Ne Na+ 3 / 20 The mass spectrometer is used to determine the Mass number of isotopes and Relative abundance Atomic number Electronic configuration 4 / 20 Molecular ions are formed by passing High energy electron beam – particle All of the above 5 / 20 The number of peaks obtained in mass spectrometry shows Relative abundance The average mass of the element Number of isotopes 6 / 20 The empirical formula of chloroform is CH2 C12 CH3C1 CHC13 7 / 20 Which one is true about isotope? Same number of neutrons Same mass number Same chemical properties 8 / 20 The molecular mass of water (18g) means 1-mole molecules of water 1-gram molecule of water all 9 / 20 Which of the following ion formation is always exothermic? Uni-negative Di-negative Di-positive 10 / 20 Which of the following statements about isotopes is correct? Isotopes with the odd atomic number are abunda Isotopes with an even atomic number and even mass number are abundant Isotopes with an even atomic number and odd mass no are abundant 11 / 20 The sample of isotopes of an element which needs not to be vaporized in the vaporization chamber Gas Liquid Volatile solid 12 / 20 One mole of CO2 contains. 22-gram electrons 6.022 x 1023 atoms of carbon both 13 / 20 Avogadro’s number may represent volume of particles number of particles All of the above 14 / 20 The number of isotopes of elements with even mass number and an even atomic number is. 154 280 54 15 / 20 Size of a molecule depends upon Atomicity The shape of a molecule Both a and b 16 / 20 Which of the following terms is not used for the ionic compound? Formula unit Formula mass Molecular formula 17 / 20 0.36 moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is 0.18 mole 0.27 mole 0.24 mole 18 / 20 Which of the following terms is used for the mass of chlorine 35.5? Relative atomic mass Relative isotopic mass Mass number 19 / 20 Which one of the following has the maximum number of isotopes? Oxygen Carbon Tin 20 / 20 Which one of the following is not the monoisotopic element? Uranium Iodine Arsenic Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Stoichiometry Quiz Check out for more quizzes for mdcat 2022 preperation. Start studying now!
