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ICSE Class 7 Answered

What is formula of compounds?
Asked by anandravinirmala | 19 Aug, 2019, 07:00: PM
answered-by-expert Expert Answer

Chemical Formula

                It is the representation of a substance by means of symbols. It denotes the number of atoms of   each element present in a compound.

 

Substance

Symbol

No. of atoms of each element present

Chemical formula

Sodium chloride

Na [sodium],

Cl [chloride]

1 atom of Na,

1 atom of Cl

NaCl
Answered by Ramandeep | 20 Aug, 2019, 04:02: PM

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ICSE 7 - Chemistry
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
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ICSE 7 - Chemistry
What is formula of compounds?
Asked by anandravinirmala | 19 Aug, 2019, 07:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Chemistry
what are chemical formulas
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