Advertisements
Advertisements
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).
Sulphide
Advertisements
उत्तर
| Name | Symbol | Ion | Valency |
| Sulphide | \[\ce{S}\] | \[\ce{S^{2-}}\] | −2 |
APPEARS IN
संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
Give the names and symbols of the first twenty elements of the periodic table.
State the type of element for the following:
Bromine
Write the chemical formula of the following:
magnesium oxide
State the valency of the following metallic element and write symbol with the valency
Potassium
Give the qualitative and quantitative meaning of the term ‘symbol’.
What does the symbol '(s)' present in a chemical equation, mean?
In the same way in chemistry, each element is denoted by a ______.
