Advertisements
Advertisements
प्रश्न
Write the radical of the following valency:
Phosphate
विकल्प
1+
2+
3+
1−
2−
3−
Advertisements
उत्तर
3−
APPEARS IN
संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Give the names and symbols of five familiar substances which you think are elements.
Give the symbol of the following element:
Lead
State the type of element for the following:
Platinum
Give the formula of the following acid:
Nitric
State the valency of the following metallic element and write symbol with the valency
Calcium
State the valency of the following metallic element and write symbol with the valency
Zinc
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).
Chloride
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
Symbol of mercury is
