Stoichiometry Stoichiometry MCQS#Atomic Structure#Subatomic Particles6Choose 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
Atomic StructureSubatomic Particles7Choose the best answerA neutral atom with atomic number greater than 1 generally contains:AOnly protonsBProtons and neutrons onlyCNeutrons and electrons onlyDProtons, neutrons and electrons Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subatomic Particles8Choose the best answerApproximately what percentage of an atom’s mass is concentrated in its nucleus?A99.00%B99.94%C95.50%D90.00% Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subatomic Particles9Choose the best answerMillikan’s oil-drop experiment showed that electric charge occurs in integral multiples of:A1.6 × 10⁻¹⁹ CB9.1 × 10⁻³¹ CC3.2 × 10⁻¹⁹ CD1.0 × 10⁻¹⁹ C Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Atomic Structure#Subatomic Particles10Choose the best answerThe mass of an electron is: (Sindh MDCAT 2019)A1.008 amuB1.009 amuC0.000550 amuD0.5500 amu Like 0 Discuss 0Share