Stoichiometry Stoichiometry MCQS#Atomic Structure#Isotopes51Choose the best answerWhich property remains the same in all isotopes of an element?ANumber of protonsBNumber of neutronsCMass numberDAtomic mass Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes52Choose the best answerAn element has isotopes of 30 u (80%) and 40 u (20%). What is its relative atomic mass?A32B34C36D38 Like 0 Discuss 0Share
Stoichiometry#Isotopes#Stable Isotopes53Choose the best answerWhich element has the greatest number of stable naturally occurring isotopes among these?ACadmiumBPalladiumCTinDNickel Like 0 Discuss 0Share
Stoichiometry 11#Atomic Structure#Isotopes54Choose the best answerAn element contains 75% of an isotope of mass 24 u and 25% of an isotope of mass 26 u. What is its relative atomic mass?A24.0B24.5C25.0D25.5 Like 0 Discuss 0Share
BasicsStoichiometry #Atomic Structure#Isotopes55Choose the best answerWhy do isotopes of the same element usually have similar chemical properties?AThey have the same mass numberBThey have the same electronic configurationCThey have the same number of neutronsDThey have different atomic numbers Like 0 Discuss 0Share