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प्रश्न
Write the radical of the following valency:
Aluminium
विकल्प
1+
2+
3+
1−
2−
3−
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उत्तर
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 :
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
State the type of element for the following:
potassium
State the type of element for the following:
Chlorine
Write the radical of the following valency:
Chlorine [Chloride]
Write the chemical formula of the following:
Sodium bromide
Write the chemical formula of the following:
calcium sulphide
State the valency of the following metallic element and write symbol with the valency
Calcium
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).
Sulphate
State why the molecular formula of zinc carbonate is ZnCO3 .
