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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).
Oxide
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उत्तर
| Name | Symbol | Ion | Valency |
| Oxide | \[\ce{O}\] | \[\ce{O^{2-}}\] | −2 |
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संबंधित प्रश्न
State the type of element for the following:
potassium
State the type of element for the following:
Sulphur
Give the symbol of the following element:
Sulphate
Write the radical of the following valency:
Nitrate
Write the radical of the following valency:
Bromine [Bromide]
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following gas:
Nitrous oxide
State the valency of the following metallic element and write symbol with the valency
Potassium
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
