1st Year Chemistry Notes

Practice141 MCQs & 106 exam questions with answers & mark schemes →

Every chapter of the chemistry syllabus for 1st Year under the Punjab Board, in the order the book takes them. 15 lessons are published so far — each with notes, worked examples, a graph you can move, flashcards and a quiz — and more are being written.

Also called 11th Class, FSc Part 1, ICS Part 1, HSSC Part 1.

01

Periodic Table and Periodic Properties

▸The Periodic TableGroups, periods, and the trends that let you predict a reaction · 22 min · 8 questions→

02

Atomic Structure

▸Atomic StructureShells, configuration and periodic trends · 22 min · 8 questions→

03

Chemical Bonding

▸Chemical BondingIonic, covalent, metallic — and why properties follow · 20 min · 8 questions→

04

Stoichiometry

▸StoichiometryMoles, equations and limiting reagents · 20 min · 8 questions→

05

States and Phases of Matter

▸GasesThe gas laws, the ideal gas equation, and why real gases misbehave · 22 min · 8 questions→▸Liquids & SolidsThe forces between molecules, and the structures they lock into · 22 min · 8 questions→

06

Chemical Energetics

▸ThermochemistryEnthalpy, Hess's law, and measuring the heat of a reaction · 22 min · 8 questions→

07

Reaction Kinetics

▸Reaction KineticsRate laws, order of reaction, and what the rate constant depends on · 22 min · 8 questions→

08

Chemical Equilibrium

▸Chemical Equilibrium (Kc & Kp)Putting a number on how far a reversible reaction goes · 24 min · 8 questions→

09

Acid-Base Chemistry

▸Acids, Bases & SaltsThe pH scale, neutralisation, and how salts are made · 22 min · 8 questions→

10

Electrochemistry

▸ElectrochemistryTurning redox into voltage — cells, electrodes and the electrochemical series · 22 min · 8 questions→

11

Hydrocarbons

▸Organic ChemistryCrude oil, hydrocarbons, and the molecules that make plastics · 24 min · 13 questions→

12

Nitrogen and Sulfur

▸The p-Block ElementsGroups 13–16 — the trends from metal to non-metal across the middle of the table · 22 min · 8 questions→

13

Halogens

▸The p-Block ElementsGroups 13–16 — the trends from metal to non-metal across the middle of the table · 22 min · 8 questions→

14

Atmosphere

▸Chemistry of the EnvironmentWhat air is made of, the pollutants we add, and treating water · 20 min · 8 questions→

15

Basic Separation Techniques

▸Experimental TechniquesSeparating mixtures, and testing what you have made · 20 min · 8 questions→

16

Lab Safety and Practical Skills

▸Experimental TechniquesSeparating mixtures, and testing what you have made · 20 min · 8 questions→

Frequently asked questions

What does 1st Year Chemistry cover?

All 16 chapters — Periodic Table and Periodic Properties, Atomic Structure, Chemical Bonding, and more. The finished lessons carry notes, worked examples, an interactive diagram and a quiz; the remaining topics are mapped and being written.

Do these notes follow the Punjab Board syllabus?

Yes. They follow the 1st Year Chemistry syllabus (1st Year, 11th Class, FSc Part 1) under the Punjab Board, chapter by chapter, in the order the textbook takes them.

Are there practice questions or past-paper-style questions?

Yes — 141 multiple-choice questions and 106 exam-style questions with mark schemes, all with answers, on the 1st Year Chemistry practice page.

Are the 1st Year Chemistry notes free?

Yes — completely free, with no sign-up or login. Every topic has notes, worked examples, an interactive diagram you can change, flashcards and a quiz that explains each answer.