#isotopes

Stoichiometry Notes in One Shot ( Full Chapter )

Stoichiometry is quantitative chemistry. “Calculations based on the law of conservation of mass, the law of constant composition and balanced chemical equations are known as stoichiometric calculations.”  Stoichiometry in One Shot Important Stoichiometry Definitions: Matter: Anything that has volume, as well as mass, is called matter. Mass: The quantity of matter in a body is …

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What is Valency in Chemistry :Definition , Examples | Tips and Tricks to find valency

 What is Valency ? Do you know: 👉Why bond formation takes place? Reason: Infact atoms are always in a struggle to reach the stable state . Atoms having only one shell can achieve the stable stable by completing its duplet & the atoms with 7 or less then 7 electrons in its valence shell becomes …

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What is the structure of an atom | Chemistry Basics- Playlist

What is the structure of an atom?👀  Chemistry Basics- Playlist In this playlist,we will covered all the basic and important concepts regarding the structure of an atom for Class 9 – 12 Chemistry all boards in Urdu or Hind are as follow:1.What is the difference between shell,sub-shells and orbitals,which explains the basic structure of atom.2. …

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