Structure of Atom questions
799 published questions with worked solutions.
- The probability of finding an electron residing in a p_x orbital is not zero:
- Which orbital does not possess an angular node?
- n and l values of an orbital 'A' are 3 and 2, and of another orbital 'B' are 5 and 0. The energy of:
- Bohr's model violates the rules of classical physics because it assumes that:
- Which one is not true for the cathode rays?
- The ratio of the specific charge (e/m) of an electron to that of a hydrogen ion is:
- In the ground state of the H-atom, the electron is:
- If S_1 be the specific charge (e/m) of a cathode ray and S_2 be that of positive rays, then which is true?
- The number of electrons in an atom with atomic number 105 having (n+l)=8 are:
- In an atom no two electrons can have the same value for all the quantum numbers. This was proposed by:
- In which orbit of He^+ is the angular momentum of the electron equal to h/2 ?
- Total number of orientations (orbitals) of the sub-levels in the nth orbit is:
- A node is a surface on which the probability of finding an electron is:
- Which is not a basic postulate of Dalton's atomic theory?
- Among the various quantum numbers (n,l,m,s) describing an electron, which can have the largest value?
- The filling of the 4p-sublevel starts in the element of atomic number:
- In an atom with atomic number 29, mass number 59, the number of electrons is:
- Orbitals possessing the same energy are called:
- If an isotope of hydrogen has two neutrons in its atom, its atomic number and mass number will be:
- Evidence for the existence of different energy levels in an atom is supplied by:
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration