Stoichiometry#Atomic Structure#Isotopes326Choose the best answerAmong 280 naturally occurring isotopes, how many have both even atomic number and even mass number?A150B154C160DNone of these Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Structure#Isotopes327Choose the best answerWhy is the atomic mass of chlorine about 35.5 u?AIt has only one isotopeBIt exists as isotopes of Cl-35 and Cl-37CIt is found in equal proportionsDIt has an atomic number of 17 Like 0 Discuss 0Share
BasicsStoichiometry #Atomic Structure#Subatomic Particles328Choose the best answerAn atom has atomic number 35 and mass number 80. Which option gives its correct composition?A35 protons, 35 electrons, 45 neutronsB35 protons, 35 electrons, 80 neutronsC35 protons, 36 electrons, 45 neutronsD35 protons, 36 electrons, 80 neutrons Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes329Choose the best answerWhich statement about relative atomic mass is correct?AA ratio and unitlessBBased on carbon-12CAn average value for naturally occurring isotopesDAll of these Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration330Choose the best answerWhat is the proton (atomic number) of an element that has four unpaired electrons in its ground state? (UHS MDCAT 2023)A6B14C22D26 Like 0 Discuss 0Share