Structure of the Atom
117 Foundation Course Chemistry practice questions with answers, and worked solutions for some.
About this chapter
- Difficulty: 26 easy · 67 moderate · 24 hard.
- Most-asked subtopics: Atomic Number, Mass Number and Electronic Configuration (36), Subatomic Particles — Electron, Proton, Neutron (25), Isotopes, Isobars and Isotones (24).
- Updated 20 June 2026.
#1Atomic Models — Thomson, Rutherford, Bohr
#2Atomic Number, Mass Number and Electronic Configuration
#3Atomic Number, Mass Number and Electronic Configuration
#4Atomic Number, Mass Number and Electronic Configuration
#5Isotopes, Isobars and Isotones
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#6Atomic Number, Mass Number and Electronic Configuration
#7Atomic Number, Mass Number and Electronic Configuration
#8Isotopes, Isobars and Isotones
#9Atomic Number, Mass Number and Electronic Configuration
#10Valency
#11Atomic Number, Mass Number and Electronic Configuration
#12Subatomic Particles — Electron, Proton, Neutron
#13Atomic Number, Mass Number and Electronic Configuration
#14Isotopes, Isobars and Isotones
#15Atomic Models — Thomson, Rutherford, Bohr
#16Atomic Models — Thomson, Rutherford, Bohr
#17Isotopes, Isobars and Isotones
#18Subatomic Particles — Electron, Proton, Neutron
#19Valency
#20Isotopes, Isobars and Isotones
#21Atomic Models — Thomson, Rutherford, Bohr
#22Subatomic Particles — Electron, Proton, Neutron
#23Subatomic Particles — Electron, Proton, Neutron
#24Isotopes, Isobars and Isotones
#25Atomic Number, Mass Number and Electronic Configuration
#26Atomic Models — Thomson, Rutherford, Bohr
#27Isotopes, Isobars and Isotones
#28Isotopes, Isobars and Isotones
#29Atomic Number, Mass Number and Electronic Configuration
#30Atomic Models — Thomson, Rutherford, Bohr
#31Atomic Number, Mass Number and Electronic Configuration
#32Atomic Models — Thomson, Rutherford, Bohr
#33Atomic Models — Thomson, Rutherford, Bohr
#34Valency
#35Subatomic Particles — Electron, Proton, Neutron
#36Valency
#37Subatomic Particles — Electron, Proton, Neutron
#38Isotopes, Isobars and Isotones
#39Atomic Number, Mass Number and Electronic Configuration
#40Atomic Number, Mass Number and Electronic Configuration
#41Atomic Models — Thomson, Rutherford, Bohr
#42Atomic Number, Mass Number and Electronic Configuration
#43Atomic Number, Mass Number and Electronic Configuration
#44Valency
#45Atomic Number, Mass Number and Electronic Configuration
#46Atomic Models — Thomson, Rutherford, Bohr
#47Isotopes, Isobars and Isotones
#48Atomic Number, Mass Number and Electronic Configuration
#49Subatomic Particles — Electron, Proton, Neutron
#50Atomic Number, Mass Number and Electronic Configuration
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