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प्रश्न
Write the radical of the following valency:
Nitrate
विकल्प
1+
2+
3+
1−
2−
3−
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उत्तर
1−
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संबंधित प्रश्न
What is the significance of the symbol of an element ? Explain with the help of an example.
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Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
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An element present in the earth’s crust, atmosphere and the human body.
Name the following:
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How many elements are known at present?
