9th Class

9^th Class Chemistry Lecture Notes

1. Atomic Structure

1.1 Atomic Structure Part 1

1.2 Atomic Structure Part 2

1.3 Atomic Structure Part 3

2. Periodic Table of Elements

2.1 Periodic Table of Elements Part 1

2.2 Periodic Table of Elements Part 2

3. Chemical Bonding and Reactions

3.1 Chemical Bonding and Reactions Part 1

3.2 Chemical Bonding and Reactions Part 2

3.3 Chemical Bonding and Reactions Part 3

9th class science book contain three chapter of chemistry which are atomic structure, periodic table of elements and chemical bonding and reactions. and we provide the chemistry notes of all these three chapters at above links at ChemistryNotesInfo website www.ChemistryNotesInfo.com or www.ChemistryNotesInfo.Blogspot.Com

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9th Class Chemistry Notes of CBSE NCERT MPBoard and all other state Board Exams notes.

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These 9^th Class Science Notes of CBSE, NCERT and other Board Exams by ChemistryNotesInfo contain following topics

Atomic Structure

Dalton Atomic Theory

What is an atom?

Constituting particles of atom

Discovery of Electron

Properties of Cathode Rays

What is X-rays?

Why X-rays are used in medicalsciences?

Determination of charge tomass ratio of electron (e/m)

Millikan's Oil Drop Experiment

Calculation of mass ofelectron

Mass of electron in comparisonwith atom

Discovery of Proton

Why anode rays are called ascanal rays?

Properties of Anode Rays

Determination of charge to mass ratio of proton (e/m)

Charge on proton

Discovery of Neutron
Dalton Atomic Model

Thomson's atomic model

Rutherford's atomic model

Bohr's atomic model

Atomic Number

Mass Number

Isotopes

Types ofIsotopes

Isobars

Distributionof electrons in various orbits

Bohr Bury Scheme

ValenceElectrons and Valency

Radioactivity

Penetrating Power of alpha beta gamma rays

Tracertechnique of radioactive isotopes

Variousfields of tracer techniques

Carbon Dating

  Periodic Table of Elements

Prout’s Hypothesis – 1815

Dobereiner’s Triads – 1829

Newland’s Law of Octaves – 1863

Lother Meyer Curves – 1869

Mendeleev’s Periodic Table – 1869

Modern Periodic Laws of Moseley -1913

ModernPeriodic Table ( of 18 columns )

PeriodicProperties of the Elements

Atomic Sizeor Atomic Radius

IonizationEnergy

ElectronAffinity

Metallic and Non-Metallic characters

Metalloids

Chemical Bonding and Reactions

Chemical Bonding
Electrovalent Bond or Ionic bond and Electrovalent Compound
Characteristics of Electrovalent Compounds
Covalent Bond and Covalent Compound
Types of Covalent Bonds
Characteristics of covalent compounds
Polar Covalent Bond
Characteristics of Polar Covalent Compounds
Chemical Reactions and Chemical Formula
Formation of Compound
Simple Chemical Reaction
Balancing of Chemical Reactions
Types of Chemical Reaction