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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).
Phosphate
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उत्तर
| Name | Symbol | Ion | Valency |
| Phosphate | \[\ce{PO4}\] | \[\ce{[PO4]^{3-}}\] | −3 |
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संबंधित प्रश्न
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
Give the names and symbols of the first twenty elements of the periodic table.
Give the symbol and the number of atoms of the following elements present in water.
Give the symbol of the following element:
Mercury
State the type of element for the following:
Sulphur
Write the radical of the following valency:
Chlorine [Chloride]
Write the radical of the following valency:
Sulphate
Write the radical of the following valency:
Hydroxide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
