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प्रश्न
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
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उत्तर
| Element/Radical | Symbol | Valency |
| Sulphur [Sulphide] | S | two |
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संबंधित प्रश्न
Name the scientist who prepared modern periodic table.
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(b) Q
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(d) S
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