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Matter : Matter is defined as occupies space and has mass examples : air , water, soil , books, human beings

Chemical Substances: Chemical sudstances are the substance which are formed by chemical bonding. chemical substance are of diferent types like atoms and molecules example ; hydrochloric acid , sodium bicarbonate chemical substance used in diffferent fields like medicine and agriculture etc

Periodic Table: periodic table is table containing elements arranged in 18 groups and 7 periods based on their physical and chemical properties depending on atomic number , electronic configuration and valency

States of Matter: total six states of matter solids liquids gases plasma state bose einstein condensate state fermions

Nuclear Chemistry: Nuclear chemistry is branch which deals with nuclear rwactions like fission and fusion

Electrochemistry : Electrochemistry is the branch which deals with chemical reactions with the use of electricity

Organic Chemistry: oraganic chemistry is the branch of study hydrocarbons and its properties

Thermodynamics : Thermodynamics is the branch study of heat chnages during chemical reactions

Chemical Kinetics : chemical kinetics is branch of study of rates of reaction and mechanism

Basics of Matter: basic of matter is atom atom is smal l indivisible particle which takes part in reaction

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