General Science and Technology

Atomic structure, bonding and reactions

First systematic UPSC revision with school-level arithmetic and basic science vocabulary; no specialist science degree assumed.

Includes

• Assigned sections and concise recall notes
• Available mapped practice and analysis of mistakes
• One initial closed-book review

Separate time needed

• Specialist derivations and laboratory training
• Subsequent revision and full mock tests
• Continuing technology and mission updates
• Duplicated ecology, agriculture, health-administration or energy-policy study

Editorial planning estimate; not learner timing data

• NIOS Science and Technology: Atomic Structure ↗

  Sections 5.1–5.7

• NIOS Science and Technology: Periodic Classification of Elements ↗

  Sections 6.2–6.4

• NIOS Science and Technology: Chemical Bonding ↗

  Sections 7.1–7.3

• NIOS Science and Technology: Chemical Reactions and Equations ↗

  Sections 4.1–4.5

• The Standard Model ↗

  The particles of matter and forces paragraphs: quarks, leptons and force carriers. The Standard Model covers three fundamental forces; exclude the introductory four-force shorthand and dated Higgs-discovery status.