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ANauucaI saMrcanaa. vyaa#yaa—pdaqaa-cyaa ANaucaI lahanaat lahana kNaalaa ANau Asao mhNatat. ANaucao AMtrMga. p`aoT/a^na— 1´ p`aoT/a^na ha ANaucyaa koMd`kat Asatao. 2´ p`aoT/a^navar Qana Pa`Baar Asatao. [lao@T/a^na— 1´ [lao@T/a^navar ?Na Pa`Baar Asatao.
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ANauucaI saMrcanaa vyaa#yaa—pdaqaa-cyaa ANaucaI lahanaat lahana kNaalaa ANau Asao mhNatat.
ANaucao AMtrMga • p`aoT/a^na—1´p`aoT/a^na ha ANaucyaa koMd`kat Asatao. • 2´p`aoT/a^navar Qana Pa`Baar Asatao. • [lao@T/a^na—1´[lao@T/a^navar ?Na Pa`Baar Asatao. • 2´[lao@T/a^nsa ANaukoMd`kaBaaovatI fIrt Asatat. • nyauT/a^na—1´nyauT/a^na ho Pa`BaarrhIt Asatat.
ANaucaI eoithaisak paSva-BaUmaI jaa^na DalTnacaa ANauivaYayak isaQdaMt Dalton's Atomic Theory 1) All matter is made of atoms. Atoms are indivisible and indestructible. 2) All atoms of a given element are identical in mass and properties 3) Compounds are formed by a combination of two or more different kinds of atoms. 4) A chemical reaction is arearrangement of atoms.
Thomson’s Atomic Theory • 1. An atom consists of a sphere of positive charge with negatively charged electron embedded in it, • 2. The positive and the negative charges in an atom are equal in magnitude, due to which an atom is electrically neutral. It has no over all negative or positive charge.
Thomson’s Atomic Theory Diagram
Special Thanks • Guide- Mr. prof. Desale Sir • Visit – Shahista Shaikh (Jr. Scientist) Thorat Balasaheb swati papal (HOD .dept. Of chemistry.) Presented by, Bhausaheb Rupawate Kshirsagar Ranjit