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प्रश्न
Write the radical of the following valency:
Oxygen
विकल्प
1+
2+
3+
1−
2−
3−
उत्तर
2−
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संबंधित प्रश्न
The anion of an element has :
Explain the terms ‘chemical formula’.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Select the correct answer from the choice given below.
The symbol of mercury is
Give the symbol of the following element:
Radon
State the type of element for the following:
Zinc
State the type of element for the following:
Radon
State what is meant by the term ‘activity series of metals’.
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).
Nitride
Antimony has the highest tensile strength.
