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प्रश्न
Write the radical of the following valency:
Sodium
पर्याय
1+
2+
3+
1−
2−
3−
MCQ
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उत्तर
1+
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संबंधित प्रश्न
Give the names and symbols of five familiar substances which you think are elements.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
State the type of element for the following:
Zinc
State the type of element for the following:
Sodium
State the type of element for the following:
Phosphorus
Write the radical of the following valency:
Calcium
Give the formula of the following acid:
Hydrochloric
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
Define Alchemy.
What is the significance of the symbol of an element?
