Advertisements
Advertisements
प्रश्न
Write the radical of the following valency:
Potassium
विकल्प
1+
2+
3+
1−
2−
3−
उत्तर
1+
APPEARS IN
संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
What is meant by atomicity? Name the diatomic element.
Give the symbol and the number of atoms of the following elements present in water.
Write the radical of the following valency:
Sulphite
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
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).
Permanganate
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).
Sulphite
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
