Atomic StructureSize of Atomic Nucleus11Choose the best answerThe approximate size of an atomic nucleus is of the order of:A10⁻¹² mB10⁻⁸ mC10⁻¹⁵ mD10⁻¹⁰ m Like 0 Discuss 0Share
Atomic StructureRutherford's Atomic Model12Choose the best answerRutherford's α-particle scattering experiment showed that an atom contains:AOnly electronsBOnly protonsCA small, dense, positively charged nucleusDNeutrons distributed throughout the atom Like 0 Discuss 0Share
Atomic StructureAtomic Nucleus13Choose the best answerThe nucleus of an atom consists mainly of:AProtons and neutronsBProtons and electronsCNeutrons and electronsDProtons, neutrons and electrons Like 0 Discuss 0Share
Atomic StructureAtomic Nucleus14Choose the best answerThe fundamental particles present in the nucleus of an atom are:Aα-particles and electronsBProtons and neutronsCNeutrons and electronsDProtons, neutrons and electrons Like 0 Discuss 0Share
Atomic StructureEnergy of Hydrogen Atom15Choose the best answerThe negative electronic energy of a hydrogen atom indicates that:AThe electron has maximum energy at n = ∞BA bound electron has greater energy than a free electronCA bound electron has lower energy than a free electron at rest at infinityDElectronic energy decreases as the electron moves away from the nucleus Like 0 Discuss 0Share