write elements having negative valency
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write elements having negative valency
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Answer:
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Explanation:
For elements that do not combine with hydrogen, the valency is the combining power of the element with another element whose valency is known.
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What is the Valency of an Element / Radical?
Valency Monovalent
Element / Radical Chloride [Chlorine]
Symbol Cl
Ion Cl1-
Answer:
All nonmetals and nonmetallic radicals have negative valencies as shown in the table below.
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What is the Valency of an Element / Radical?
Valency Divalent [2]
Element / Radical Dichromate
Symbol Cr2O7
Ion Cr2O72