Designed by Henry Moseley . It is based on atomic numbers . It contains 18 vertical groups and 7 horizontal periods . Periodic Trends (Left to Right vs. Top to Bottom)
He wrote quickly, accurately, and with understanding.
This content is formatted to be easily readable, highlighted for quick revision, and covers the most frequently asked topics in SSC exams.
Stick to Class 9 and 10 NCERT Science books for the core concepts.
Discovered by Ernest Rutherford (though Goldstein observed canal rays earlier). Neutron: Discovered by James Chadwick . chemistry notes ssc
Formed by cooling a gas of extremely low density to super-low temperatures. Chemical Classification
Alkali Metals (Lithium, Sodium, Potassium, etc.) — highly reactive, stored in kerosene. Group 2: Alkaline Earth Metals (Magnesium, Calcium, etc.).
The questions are generally theoretical. Below are the high-yield notes categorized by topic.
: Properties between metals and non-metals (e.g., Silicon, Germanium). 2. Acids, Bases, and Salts Designed by Henry Moseley
Chemistry Notes for SSC: Comprehensive Study Material & Key Topics
Superheated gas composed of electrons and positive ions. Found in stars and neon signs.
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Focus on trends (electronegativity, atomic radius) and specific group characteristics (Alkali metals, Halogens). Periodic Trends (Left to Right vs
Hardest naturally occurring substance. Bad conductor of electricity. High refractive index (
These notes are a starting point. Combining this with consistent practice will help you excel in the chemistry section of any SSC exam.
Alloy = mixture of metals (e.g., Brass = Cu + Zn; Steel = Fe + C)
Know the subatomic particles (protons, neutrons, electrons) and isotopes/isobars.
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