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Question
State if the following element or radical is divalent?
Dichromate
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Solution
Dichromate element or radical is divalent.
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RELATED QUESTIONS
Name the following radicals :
HC03
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OH
The valencies (or charges) of some of the ions are given below :
Ion Valency Ion Valency (Charge) (Charge)
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Copper ion 2+ Sulphide ion 2–
Using this information, write down the formulae of :
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Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
Give example.
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