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प्रश्न
Write the radical of the following valency:
Hydroxide
विकल्प
1+
2+
3+
1−
2−
3−
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उत्तर
1−
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संबंधित प्रश्न
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?
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Silicon
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Write the radical of the following valency:
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Hydrogen chloride
Give the formula of the following gas:
Nitrogen dioxide
State the valency of the following metallic element and write symbol with the valency
Magnesium
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
What does a chemical symbol represent?
How many elements are known at present?
