Chemistry, asked by vijykumarbuddhawar, 4 months ago

write elements having negative valency

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Answered by faiz08032007

2

Answer:

All nonmetals and nonmetallic radicals have negative valencies as shown in the table below.

...

What is the Valency of an Element / Radical?

Valency Divalent [2]

Element / Radical Dichromate

Symbol Cr2O7

Ion Cr2O72

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