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प्रश्न
Give the symbol and valency of the following element and radical.
Calcium
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उत्तर
| Element/Radical | Symbol | Valency |
| Calcium | Ca | two |
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संबंधित प्रश्न
Fill in the following blank with suitable word:
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(b) all non-metals
(c) all metalloids
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(a) P
(b) Q
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(d) S
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