Class 9 Chemistry Chapter 3| Laws of Conservation of Mass (Part 1) - Atoms and Molecules

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Previous Video : History of atoms and molecules - Class 9th chemistry kzbin.info/www/bejne/j4nPpoSJqMSffMk Next Video : Laws of Conservation of Mass (Part 2) - Class 9th chemistry kzbin.info/www/bejne/n6u1h4qefK2YpJo

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Valence shell- last shell K- M- N- L- These r 4 shells.....learn atomic no. And try to do configration of electrons......and always for an atom to be stable there must be 2,8,8 atoms respectively in k,l,m

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21:04

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Ma'am kya hm salt water or sugar water ko mix krenge to vo chemical reactions hoga

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I enjoy with this chapter

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Defination google se dekh le bhai

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yss

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Can we say Element is a substance that has same kind of atoms used in it. Compound is a substance that has different kinds of atoms used in it.

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1 like for our vibhuti mam

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teacher*

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