Chemistry
What is valency ? Name two elements having variable valency and state their valencies.
Atomic Structure
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Answer
The valence electrons of an atom determine the valency of that element.
Two elements having variable valency are Iron and copper.
| Metal | Radicals | Valency |
|---|---|---|
| Iron (Fe) | Ferrous, Ferric | 2, 3 |
| Copper (Cu) | Cuprous, Cupric | 1, 2 |
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