Isotopes: Same atomic number, different mass number (e.g., Carbon-12 and Carbon-14). Isobars: Same mass number, different atomic number. 3. Periodic Table Classification The Modern Periodic Table was developed by .
Keep a list of chemical names and formulas (like Plaster of Paris or Epsom Salt).
18 Groups (vertical) and 7 Periods (horizontal). Group 1: Alkali Metals. Group 17: Halogens (most reactive non-metals). chemistry notes ssc
Mercury is a liquid metal at room temperature; Bromine is a liquid non-metal. Ores: Memorize common ones: Iron: Hematite, Magnetite. Aluminium: Bauxite. Lead: Galena. Alloys: Brass: Copper + Zinc. Bronze: Copper + Tin. Steel: Iron + Carbon. 7. Carbon and Its Compounds
Caused by bicarbonates, chlorides, and sulfates of Calcium and Magnesium. Isotopes: Same atomic number, different mass number (e
Stick to Class 9 and 10 NCERT Science books for the core concepts.
Metals are malleable and ductile; Non-metals are generally brittle. Periodic Table Classification The Modern Periodic Table was
To help you ace the General Science section, here is a comprehensive breakdown of the essential chemistry topics you need to master. 1. Matter and Its States