Chemistry Mastery / Chapter 01
Chapter 01 • General Chemistry

GENERAL
CHEMISTRY

Build the quantitative language of Chemistry from first principles, then strengthen it through the BalaJEE Series A–O system: theory, active recall, O1/O2, subjective practice, PYQs and final revision.

01Chapter
15Series
A–OSystem
JEEMain + Adv.
Your chapter progress0%
Learn Deeply

Detailed Course

Learn General Chemistry through concept-first explanations, worked examples, JEE traps and linked practice.

01

Matter & Its Classification

Physical and chemical classification; pure substances, mixtures, elements and compounds.
02

Atom & Fundamental Particles

Electron, proton, neutron; mass, charge, location and nuclear representation.
03

Atomic Species & Relations

Isotopes, isobars, isoelectronic species, isosters, isodiaphers and isotones.
04

Orbitals & Quantum Numbers

n, l, mₗ and mₛ; shells, subshells, orbitals, capacities and degeneracy.
05

Rules for Filling Electrons

Pauli exclusion, Aufbau principle, (n+l) rule and Hund’s maximum multiplicity rule.
06

Electronic Configuration

Orbital notation, condensed form, ions and transition-metal configurations.
07

Exceptional Configurations & Stability

Half/full-filled stability, symmetry, exchange energy and important exceptions.
08

Magnetic Properties

Paramagnetism, diamagnetism, unpaired electrons and spin-only magnetic moment.
09

Orbital Shapes & Nodal Planes

s, p, d/f orbital geometry and nodal-plane interpretation.
10

Screening & Effective Nuclear Charge

Shielding, Zeff, Slater-style reasoning and electronic consequences.
Practice System

Series A → O

A structured chapter learning path from complete theory and active recall to objective practice, subjective problems, PYQs and final revision.

O1 = Objective Level 1
A

Complete Theory

High-yield chapter theory in the BalaJEE flashcard system.

PUBLISHED LIBRARY

Series A • Flashcards #001–#028

IG ↔ WEB SYNC
#001–#007 Matter → Atomic Species View published Instagram set ↗ #008–#013 Orbitals → Quantum Numbers View published Instagram set ↗ #014–#022 Electronic Configuration View published Instagram set ↗ #024–#028 Advanced Atomic Structure Concepts View published Instagram set ↗
001–007 008–013 014–022 023 • RETIRED 024–028
B

Concept Check / Active Recall

Fast retrieval prompts to test whether the theory is actually retained.

PUBLISHED CAROUSEL

Series B • Set 01 • 7 Slides

IG ↔ WEB SYNC
GC-B-SET-01Matter → Atomic IdentityView published Instagram carousel ↗
GC-B-001–006M01–M07
C

Objective Level 1 — Questions

O1: foundational objective problems with strong concept coverage.

D

Objective Level 1 — Solutions

Detailed solutions and the thinking pattern behind O1 questions.

E

Objective Level 2 — Questions

O2: harder multi-step objective problems for advanced application.

F

Objective Level 2 — Solutions

Complete solution logic for the advanced objective set.

G

Subjective Level 1 — Questions

Written-response problems that develop full working and reasoning.

H

Subjective Level 1 — Solutions

Stepwise solutions with method selection and clean presentation.

I

Subjective Level 2 — Questions

Higher-order written problems for deep conceptual command.

J

Subjective Level 2 — Solutions

Full advanced reasoning, alternatives and common error analysis.

K

JEE Main PYQs

Previous-year questions organized to expose repeated exam patterns.

L

JEE Main PYQ Solutions

Exam-efficient methods and complete explanations for Series K.

M

JEE Advanced PYQs

Selected previous-year problems demanding deeper integration.

N

JEE Advanced PYQ Solutions

Detailed advanced solutions, key insights and alternate approaches.

O

Final Revision

Formulae, traps, misconceptions and rapid pre-exam recall.

CourseA–OTestHome