I will make u brainlist
plss tell me what is this.. what exactly doing in it m not understanding the concept tell me plss...
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this process is called making formula and it is b/w a positive ion and a negative ion...... like Na is positive and Cl is negative ion.
heeny26:
hey but tht cross multiplication
thts ans is not mentioned
we have to write the valencies of those ions below them... and then we have to cross multiply in order to get the formula
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