ICSE Class 7 Chemistry Chemical Formulas And Chemical Equations
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Sample Q&A
- Hi, What is the Bohr Bury's rule? What is the Atomic Notation? Please solve this question: Write the atomic notation for the elements having atomic no(Z) 8,10,11,12,16,20 respectively.Identify all the elements and write the no. of electrons,neutrons,protons present in the given elements. Thank you
- What is formula of compounds?
- what are chemical formulas
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