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प्रश्न
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Phosphate
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उत्तर
| Name | Symbol | Ion | Valency |
| Phosphate | \[\ce{PO4}\] | \[\ce{[PO4]^{3-}}\] | −3 |
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संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
State the type of element for the following:
Silicon
State the type of element for the following:
Sodium
Write the radical of the following valency:
Nitrate
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Hydroxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphate
Name three metals whose symbols are derived: from their Latin names.
Give the qualitative and quantitative meaning of the term ‘symbol’.
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
What is the significance of the symbol of an element?
