Atomic StructureIsotopes121Choose the best answerIsotopes of an element generally have:ASimilar chemical properties but different physical propertiesBSimilar chemical and physical propertiesCSimilar physical properties but different chemical propertiesDDifferent chemical and physical properties Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Structure#Isobars122Choose the best answerWhich of these pairs is an example of isobars?A¹²C and ¹⁴NB¹⁶O and ¹⁸OC³⁵Cl and ³⁷ClD⁴⁰Ca and ⁴⁰Ar Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration123Choose the best answerSpecies having the same number of electrons and the same electronic configuration are called:AIsotopesBIsobarsCIsoelectronic speciesDIsotones Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Atomic Theory124Choose the best answerWho proposed the first scientific atomic theory in 1803?ADemocritusBLeucippusCAristotleDJohn Dalton Like 0 Discuss 0Share
BasicsStoichiometry #Atomic Structure#Subatomic Particles125Choose 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