Atomic StructureAtomic Nucleus11Choose 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 StructureEnergy of Hydrogen Atom12Choose 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
Atomic StructureEnergy of Hydrogen Atom13Choose the best answerFor a hydrogen atom, the maximum possible energy of an electron corresponds to:AThe nucleusBGround stateCFirst excited stateDInfinite separation from the nucleus Like 0 Discuss 0Share
Atomic StructureSubatomic Particles14Choose the best answerThe number of types of nucleons present in an atomic nucleus is:AMore than 100B3C2D100 Like 0 Discuss 0Share
Atomic StructureNucleons15Choose the best answerHow many types of nucleons are present in an ordinary atomic nucleus?AMore than 100B3C2D100 Like 0 Discuss 0Share