How to find the chemical formula for calcium chloride by charges?
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We know that Calcium, Ca has a charge of +2 whereas Chlorine has a charge of -1.
Every compound has to stable, that is neutral, neither positively nor negatively charged. Hence Calcium Chloride will be formed of Calcium and chlorine in such a way that there is total charge left on the compound.
Hence, to satisfy +2 charge of Calcium, 2 Chlorine (that sums to charge of -2) will be required.
Thus, formula of Calcium Chloride is CaCl2
Every compound has to stable, that is neutral, neither positively nor negatively charged. Hence Calcium Chloride will be formed of Calcium and chlorine in such a way that there is total charge left on the compound.
Hence, to satisfy +2 charge of Calcium, 2 Chlorine (that sums to charge of -2) will be required.
Thus, formula of Calcium Chloride is CaCl2
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Every atom needs to complete it's otect by attaining nearest possible noble gas so when Calcium the has valency as 2 and chlorine as 1 so Calcium will require 2 electrons to complete it's octet so chlorine will become cl2 It will also complete it's octet by one electrons from each Calcium so it forms CaCl2
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