How many MCQ questions are available for Structure of Atom?

There are 101 MCQ questions available for Structure of Atom (Class 11 Chemistry) — 39 easy, 39 medium, and 23 hard.

Structure of Atom

Q: What topics are covered in Structure of Atom?

Key concepts covered: 1s orbital, 3p orbital, 4s vs 3d energy, Balmer series, Bohr model, Bohr model energy levels, Bohr model limitations, Bohr radius, Bohr's postulates, Chadwick, Davisson-Germer experiment, Einstein, Fe2+ configuration, Heisenberg uncertainty principle, Hund's rule.

Class 11 · Chemistry

101 questions39 easy39 medium23 hard

Sample Questions

Q1.The ratio of mass of proton to mass of electron is approximately:

A1836
B1837
C100
D18

Q2.The electronic configuration of Fe²⁺ (Z = 26) is:

A[Ar] 3d⁶
B[Ar] 3d⁴ 4s²
C[Ar] 3d⁶ 4s²
D[Ar] 3d⁵ 4s¹

Q3.For hydrogen atom, the energy gap between n = 1 and n = 2 levels compared to the gap between n = 2 and n = 3 is:

ALarger
BSmaller
CEqual
DDepends on the temperature

Q4.The dual nature of matter (wave-particle duality) was experimentally verified for electrons by:

ADavisson and Germer's electron diffraction experiment
BMillikan's oil drop experiment
CRutherford's scattering experiment
DThomson's cathode ray experiment

Q5.An electron, proton, and alpha particle are accelerated through the same potential difference. Which has the largest de Broglie wavelength?

AElectron
BProton
CAlpha particle
DAll have the same wavelength

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

1s orbital3p orbital4s vs 3d energyBalmer seriesBohr modelBohr model energy levelsBohr model limitationsBohr radiusBohr's postulatesChadwickDavisson-Germer experimentEinsteinFe2+ configurationHeisenberg uncertainty principleHund's ruleLyman seriesM shellMillikanN shellNa+Paschen seriesPauli exclusion principlePlanck's constantPlanck's equationPlanck's quantum theoryRutherford experimentRutherford modelRutherford model limitationsRydberg constantRydberg equationRydberg formulaSchrödinger equationStark effectThomson modelThomson's experimentUV lightZeeman effectalpha particlesangular momentum quantizationangular nodesanode raysatomic dimensionsatomic modelsatomic models comparisonatomic orbitalatomic orbitalsatomic sizeatomic spectraatomic stabilityatomic structureatomic theoryaufbau principleazimuthal quantum numberbismuthcanal rayscathode ray tubecathode rayscharge-to-mass ratiochromiumclassical physicscopperd-orbital geometryd-orbital shapesd-orbitalsd-subshelld-subshell configurationd-subshell stabilityde Broglie wavelengthdegenerate orbitalsdiscovery of electrondx2-y2 orbitalelectric fieldelectromagnetic radiationelectromagnetic spectrumelectromagnetic waveselectron accelerationelectron capacityelectron chargeelectron configurationelectron diffractionelectron fillingelectron flowelectron masselectron propertieselectron removalelectron removal orderelectron spinelectronic configurationelectronic transitionsenergy calculationenergy gapsenergy levelsenergy quantizationenergy releaseenergy transitionsexceptional electronic configurationsf-orbitalsfrequencyfrequency ordergamma raysgold foilground stateheavy elementshydrogen atomhydrogen spectral serieshydrogen spectrumhydrogen-like ionshydrogen-like speciesinfrared spectrumionic electronic configurationionization energykinetic energyline spectrummacroscopic objectsmagnetic fieldmagnetic quantum numbermass comparisonmass ratiomatter wavesmomentum uncertaintyneutronneutron discoverynodal planenodal planesnodesnuclear chargenuclear modelnuclear reactionsnuclear sizeoil drop experimentorbit vs orbitalorbital energyorbital filling orderorbital geometryorbital nodesorbital orientationorbital radiusoxygen configurationp-orbital shapep-orbitalsparticle accelerationphotoelectric effectphotoelectric equationphoton energyphotonsphysical constantsplum pudding modelprincipal quantum numberprobability densityprotonproton discoveryproton massquantum calculationsquantum mechanical modelquantum mechanicsquantum numbersradial nodess-orbital shapeselection rulesseries limitspectral line splittingspectral linesspectral seriesspeed of lightspherical symmetryspin quantum numberstationary orbitsstopping potentialsubatomic particle massessubatomic particle propertiessubatomic particlessubshellsubshell compositionsubshell energy ordersubshell fillingsubshellsthreshold frequencytransition metal ionstransverse wavesuncertainty in velocityuncertainty principleunitsunpaired electronsvisible spectrumwave functionwave propertieswave theory limitationswave-particle dualitywavelengthwavenumberwork functionħ

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