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प्रश्न
Write the radical of the following valency:
Sulphate
विकल्प
1+
2+
3+
1−
2−
3−
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उत्तर
2−
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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 :
Explain the terms 'valency' and 'variable valency'.
Fill in the blank:
Symbolic expression for a molecule is called _____.
Write the radical of the following valency:
Sulphite
Write the radical of the following valency:
Carbonate
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
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
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
How many elements are known at present?
Antimony has the highest tensile strength.
