Advertisements
Advertisements
प्रश्न
Write the radical of the following valency:
Sulphate
पर्याय
1+
2+
3+
1−
2−
3−
Advertisements
उत्तर
2−
APPEARS IN
संबंधित प्रश्न
Give the names and symbols of five familiar substances which you think are elements.
What do the following symbol stand for?
H2
Give two examples of the following:
Liquid + Liquid mixture:
Give the symbol of the following element:
Boron
Write the radical of the following valency:
Hydroxide
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
State the valency of the following metallic element and write symbol with the valency
Chromium
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).
Zincate
The symbol of tungsten is _______.
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
