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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).
Hydroxide
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उत्तर
| Name | Symbol | Ion | Valency |
| Hydroxide | \[\ce{[OH]}\] | \[\ce{[OH]^{1-}}\] | −1 |
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Fill in the blank:
Symbol represents _____ atom(s) of an element.
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
Give the symbol of the following element:
Silicon
State what is meant by the term ‘activity series of metals’.
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Write the radical of the following valency:
Sodium
Write the radical of the following valency:
Chlorine [Chloride]
Name the following:
An acid whose formula is ‘H2CO3’.
Define the term ‘valency’.
