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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).
Bromide
उत्तर
| Name | Symbol | Ion | Valency |
| Bromide | \[\ce{Br}\] | \[\ce{Br^{1-}}\] | −1 |
APPEARS IN
संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Give the symbol of the following element:
Mercury
State the type of element for the following:
Calcium
State the type of element for the following:
Phosphorus
Write the radical of the following valency:
Nitrate
Give the formula of the following gas:
Nitric oxide
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).
Nitrate
What does the symbol '⇌' present in a chemical equation, mean?
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
