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प्रश्न
Write the radical of the following valency:
Zinc
पर्याय
1+
2+
3+
1−
2−
3−
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उत्तर
2+
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संबंधित प्रश्न
Explain the terms 'valency' and 'variable valency'.
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Hydrogen by ‘H’
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Helium by ‘He’
Give the symbol of the following element:
Platinum
Give the symbol of the following element:
Phosphorus
Write the radical of the following valency:
Sulphate
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
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).
Sulphide
Which letter is never used in any element symbol?
What is the rarest natural element on the earth?
